231500323451403 has 24 divisors (see below), whose sum is σ = 338624868741120. Its totient is φ = 152378728547760.

The previous prime is 231500323451347. The next prime is 231500323451461. The reversal of 231500323451403 is 304154323005132.

231500323451403 is a `hidden beast` number, since 2 + 3 + 1 + 500 + 3 + 2 + 3 + 4 + 5 + 140 + 3 = 666.

It is not a de Polignac number, because 231500323451403 - 2¹² = 231500323447307 is a prime.

It is not an unprimeable number, because it can be changed into a prime (231500323451503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 91329750 + ... + 93830292.

It is an arithmetic number, because the mean of its divisors is an integer number (14109369530880).

Almost surely, 2^{231500323451403} is an apocalyptic number.

231500323451403 is a deficient number, since it is larger than the sum of its proper divisors (107124545289717).

231500323451403 is a wasteful number, since it uses less digits than its factorization.

231500323451403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2630839 (or 2630836 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 36.

Adding to 231500323451403 its reverse (304154323005132), we get a palindrome (535654646456535).

The spelling of 231500323451403 in words is "two hundred thirty-one trillion, five hundred billion, three hundred twenty-three million, four hundred fifty-one thousand, four hundred three".