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123233103420 = 22357293412151
BaseRepresentation
bin111001011000101000…
…0111110111000111100
3102210002022211021121120
41302301100332320330
54004340133302140
6132340145030540
711621555044620
oct1626120767074
9383068737546
10123233103420
1148298968619
121ba72625450
13b80bc7660b
145d708ab180
153313c421d0
hex1cb143ee3c

123233103420 has 48 divisors (see below), whose sum is σ = 394345932288. Its totient is φ = 28167566400.

The previous prime is 123233103397. The next prime is 123233103443. The reversal of 123233103420 is 24301332321.

It is an interprime number because it is at equal distance from previous prime (123233103397) and next prime (123233103443).

It is a congruent number.

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, 146705656 + ... + 146706495.

It is an arithmetic number, because the mean of its divisors is an integer number (8215540256).

Almost surely, 2123233103420 is an apocalyptic number.

123233103420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123233103420 is an abundant number, since it is smaller than the sum of its proper divisors (271112828868).

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

123233103420 is a wasteful number, since it uses less digits than its factorization.

123233103420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293412170 (or 293412168 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 123233103420 its reverse (24301332321), we get a palindrome (147534435741).

The spelling of 123233103420 in words is "one hundred twenty-three billion, two hundred thirty-three million, one hundred three thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 84 105 140 210 420 293412151 586824302 880236453 1173648604 1467060755 1760472906 2053885057 2934121510 3520945812 4107770114 4401182265 5868243020 6161655171 8215540228 8802364530 10269425285 12323310342 17604729060 20538850570 24646620684 30808275855 41077701140 61616551710 123233103420