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123341620 = 2256167081
BaseRepresentation
bin1110101101000…
…00101100110100
322121002101220011
413112200230310
5223033412440
620123350004
73025246363
oct726405464
9277071804
10123341620
1163694426
1235382304
131c726c0c
14125497da
15ac659ea
hex75a0b34

123341620 has 12 divisors (see below), whose sum is σ = 259017444. Its totient is φ = 49336640.

The previous prime is 123341563. The next prime is 123341627. The reversal of 123341620 is 26143321.

It can be written as a sum of positive squares in 2 ways, for example, as 65642404 + 57699216 = 8102^2 + 7596^2 .

It is a junction number, because it is equal to n+sod(n) for n = 123341591 and 123341600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123341627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3083521 + ... + 3083560.

It is an arithmetic number, because the mean of its divisors is an integer number (21584787).

Almost surely, 2123341620 is an apocalyptic number.

123341620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123341620 is an abundant number, since it is smaller than the sum of its proper divisors (135675824).

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

123341620 is a wasteful number, since it uses less digits than its factorization.

123341620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6167090 (or 6167088 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 123341620 is about 11105.9272462951. The cubic root of 123341620 is about 497.7789753742.

Adding to 123341620 its reverse (26143321), we get a palindrome (149484941).

The spelling of 123341620 in words is "one hundred twenty-three million, three hundred forty-one thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 6167081 12334162 24668324 30835405 61670810 123341620