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123123300023020 = 225111723324812167
BaseRepresentation
bin11011111111101011100000…
…100011111011101011101100
3121010221110202110210110102211
4123333223200203323223230
5112114223004301214040
61113510021351500204
734635236103303103
oct3377534043735354
9533843673713384
10123123300023020
113625a331055160
1211986154087664
135391628a3387b
1422592b169303a
15e37abd9098ea
hex6ffae08fbaec

123123300023020 has 48 divisors (see below), whose sum is σ = 282227993526528. Its totient is φ = 44746123988160.

The previous prime is 123123300022981. The next prime is 123123300023063. The reversal of 123123300023020 is 20320003321321.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 123123300022982 and 123123300023000.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 162027024 + ... + 162785143.

It is an arithmetic number, because the mean of its divisors is an integer number (5879749865136).

Almost surely, 2123123300023020 is an apocalyptic number.

123123300023020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123123300023020 is an abundant number, since it is smaller than the sum of its proper divisors (159104693503508).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123123300023020 is a wasteful number, since it uses less digits than its factorization.

123123300023020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324813910 (or 324813908 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 123123300023020 its reverse (20320003321321), we get a palindrome (143443303344341).

The spelling of 123123300023020 in words is "one hundred twenty-three trillion, one hundred twenty-three billion, three hundred million, twenty-three thousand, twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 1723 3446 6892 8615 17230 18953 34460 37906 75812 94765 189530 379060 324812167 649624334 1299248668 1624060835 3248121670 3572933837 6496243340 7145867674 14291735348 17864669185 35729338370 71458676740 559651363741 1119302727482 2238605454964 2798256818705 5596513637410 6156165001151 11193027274820 12312330002302 24624660004604 30780825005755 61561650011510 123123300023020