231465435264 has 192 divisors, whose sum is σ = 785774446080. Its totient is φ = 63999590400.

The previous prime is 231465435247. The next prime is 231465435277. The reversal of 231465435264 is 462534564132.

231465435264 is a `hidden beast` number, since 2 + 3 + 1 + 46 + 543 + 5 + 2 + 64 = 666.

It is a tau number, because it is divible by the number of its divisors (192).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 212977 + ... + 712944.

It is an arithmetic number, because the mean of its divisors is an integer number (4092575240).

Almost surely, 2^231465435264 is an apocalyptic number.

231465435264 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

231465435264 is an abundant number, since it is smaller than the sum of its proper divisors (554309010816).

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

231465435264 is a wasteful number, since it uses less digits than its factorization.

231465435264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 925979 (or 925964 counting only the distinct ones).

The product of its digits is 2073600, while the sum is 45.

Adding to 231465435264 its reverse (462534564132), we get a palindrome (693999999396).

The spelling of 231465435264 in words is "two hundred thirty-one billion, four hundred sixty-five million, four hundred thirty-five thousand, two hundred sixty-four".