231545233323 has 24 divisors (see below), whose sum is σ = 344918933216. Its totient is φ = 149568249600.

The previous prime is 231545233279. The next prime is 231545233343. The reversal of 231545233323 is 323332545132.

231545233323 is a `hidden beast` number, since 2 + 31 + 54 + 523 + 33 + 23 = 666.

It is not a de Polignac number, because 231545233323 - 2⁶ = 231545233259 is a prime.

It is a super-2 number, since 2×231545233323² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231545233343) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1362343 + ... + 1522848.

Almost surely, 2^231545233323 is an apocalyptic number.

231545233323 is a deficient number, since it is larger than the sum of its proper divisors (113373699893).

231545233323 is a wasteful number, since it uses less digits than its factorization.

231545233323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2885475 (or 2885472 counting only the distinct ones).

The product of its digits is 194400, while the sum is 36.

Adding to 231545233323 its reverse (323332545132), we get a palindrome (554877778455).

The spelling of 231545233323 in words is "two hundred thirty-one billion, five hundred forty-five million, two hundred thirty-three thousand, three hundred twenty-three".