231423020331120 has 120 divisors (see below), whose sum is σ = 777781325196096. Its totient is φ = 61666299661824.

The previous prime is 231423020331043. The next prime is 231423020331127. The reversal of 231423020331120 is 21133020324132.

231423020331120 is a `hidden beast` number, since 2 + 3 + 1 + 4 + 2 + 302 + 0 + 331 + 1 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is a super-2 number, since 2×231423020331120² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231423020331127) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 120152647 + ... + 122063526.

Almost surely, 2^{231423020331120} is an apocalyptic number.

231423020331120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231423020331120 is an abundant number, since it is smaller than the sum of its proper divisors (546358304864976).

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

231423020331120 is a wasteful number, since it uses less digits than its factorization.

231423020331120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242217519 (or 242217510 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 231423020331120 its reverse (21133020324132), we get a palindrome (252556040655252).

The spelling of 231423020331120 in words is "two hundred thirty-one trillion, four hundred twenty-three billion, twenty million, three hundred thirty-one thousand, one hundred twenty".