123310231211232 has 180 divisors, whose sum is σ = 392694140694240. Its totient is φ = 37941609468672.

The previous prime is 123310231211227. The next prime is 123310231211243. The reversal of 123310231211232 is 232112132013321.

123310231211232 is a `hidden beast` number, since 1 + 2 + 3 + 3 + 102 + 312 + 11 + 232 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 123310231211196 and 123310231211205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 140311632 + ... + 141187727.

It is an arithmetic number, because the mean of its divisors is an integer number (2181634114968).

Almost surely, 2^{123310231211232} is an apocalyptic number.

123310231211232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

123310231211232 is an abundant number, since it is smaller than the sum of its proper divisors (269383909483008).

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

123310231211232 is a wasteful number, since it uses less digits than its factorization.

123310231211232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281499407 (or 281499377 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

Adding to 123310231211232 its reverse (232112132013321), we get a palindrome (355422363224553).

The spelling of 123310231211232 in words is "one hundred twenty-three trillion, three hundred ten billion, two hundred thirty-one million, two hundred eleven thousand, two hundred thirty-two".