231432013323 has 64 divisors (see below), whose sum is σ = 409254528000. Its totient is φ = 126491507712.

The previous prime is 231432013303. The next prime is 231432013343. The reversal of 231432013323 is 323310234132.

231432013323 is a `hidden beast` number, since 2 + 3 + 1 + 4 + 320 + 1 + 332 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (231432013303) and next prime (231432013343).

It is not a de Polignac number, because 231432013323 - 2¹⁰ = 231432012299 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (231432013303) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 132123 + ... + 693051.

It is an arithmetic number, because the mean of its divisors is an integer number (6394602000).

Almost surely, 2^231432013323 is an apocalyptic number.

231432013323 is a deficient number, since it is larger than the sum of its proper divisors (177822514677).

231432013323 is a wasteful number, since it uses less digits than its factorization.

231432013323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561041 (or 561035 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 27.

Adding to 231432013323 its reverse (323310234132), we get a palindrome (554742247455).

The spelling of 231432013323 in words is "two hundred thirty-one billion, four hundred thirty-two million, thirteen thousand, three hundred twenty-three".