231023505320132 has 48 divisors (see below), whose sum is σ = 470777608248192. Its totient is φ = 97139332392960.

The previous prime is 231023505320099. The next prime is 231023505320141.

231023505320132 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53286407 + ... + 57458577.

It is an arithmetic number, because the mean of its divisors is an integer number (9807866838504).

Almost surely, 2^{231023505320132} is an apocalyptic number.

It is an amenable number.

231023505320132 is an abundant number, since it is smaller than the sum of its proper divisors (239754102928060).

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

231023505320132 is a wasteful number, since it uses less digits than its factorization.

231023505320132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4209548 (or 4209546 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 32.

It can be divided in two parts, 23102350 and 5320132, that added together give a palindrome (28422482).

The spelling of 231023505320132 in words is "two hundred thirty-one trillion, twenty-three billion, five hundred five million, three hundred twenty thousand, one hundred thirty-two".