231123030312120 has 64 divisors (see below), whose sum is σ = 693446453205120. Its totient is φ = 61625931437184.

The previous prime is 231123030312061. The next prime is 231123030312127. The reversal of 231123030312120 is 21213030321132.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231123030312127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106367554 + ... + 108518673.

It is an arithmetic number, because the mean of its divisors is an integer number (10835100831330).

Almost surely, 2^{231123030312120} is an apocalyptic number.

231123030312120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231123030312120 is an abundant number, since it is smaller than the sum of its proper divisors (462323422893000).

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

231123030312120 is a wasteful number, since it uses less digits than its factorization.

231123030312120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214895204 (or 214895200 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 231123030312120 its reverse (21213030321132), we get a palindrome (252336060633252).

The spelling of 231123030312120 in words is "two hundred thirty-one trillion, one hundred twenty-three billion, thirty million, three hundred twelve thousand, one hundred twenty".