231456547615072 has 96 divisors (see below), whose sum is σ = 516640328961120. Its totient is φ = 101188015534080.

The previous prime is 231456547615039. The next prime is 231456547615087. The reversal of 231456547615072 is 270516745654132.

It is a junction number, because it is equal to n+sod(n) for n = 231456547614998 and 231456547615016.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48900622 + ... + 53424562.

It is an arithmetic number, because the mean of its divisors is an integer number (5381670093345).

Almost surely, 2^{231456547615072} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231456547615072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (258320164480560).

231456547615072 is an abundant number, since it is smaller than the sum of its proper divisors (285183781346048).

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

231456547615072 is a wasteful number, since it uses less digits than its factorization.

231456547615072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4530456 (or 4530448 counting only the distinct ones).

The product of its (nonzero) digits is 42336000, while the sum is 58.

The spelling of 231456547615072 in words is "two hundred thirty-one trillion, four hundred fifty-six billion, five hundred forty-seven million, six hundred fifteen thousand, seventy-two".