231320023132 has 24 divisors (see below), whose sum is σ = 441687802752. Its totient is φ = 105127167600.

The previous prime is 231320023117. The next prime is 231320023139.

231320023132 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231320023139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 200094 + ... + 708997.

It is an arithmetic number, because the mean of its divisors is an integer number (18403658448).

Almost surely, 2^231320023132 is an apocalyptic number.

231320023132 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

231320023132 is a deficient number, since it is larger than the sum of its proper divisors (210367779620).

231320023132 is a wasteful number, since it uses less digits than its factorization.

231320023132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 914889 (or 914887 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

It can be divided in two parts, 2313200 and 23132, that multiplied together give a square (53508942400 = 231320²).

The spelling of 231320023132 in words is "two hundred thirty-one billion, three hundred twenty million, twenty-three thousand, one hundred thirty-two".