23131044254530 has 16 divisors (see below), whose sum is σ = 41703801169464. Its totient is φ = 9237324032640.

The previous prime is 23131044254449. The next prime is 23131044254573. The reversal of 23131044254530 is 3545244013132.

It can be written as a sum of positive squares in 4 ways, for example, as 11053104793641 + 12077939460889 = 3324621^2 + 3475333^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 23131044254530.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1886702211 + ... + 1886714470.

Almost surely, 2^{23131044254530} is an apocalyptic number.

23131044254530 is a deficient number, since it is larger than the sum of its proper divisors (18572756914934).

23131044254530 is a wasteful number, since it uses less digits than its factorization.

23131044254530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3773417301.

The product of its (nonzero) digits is 172800, while the sum is 37.

Adding to 23131044254530 its reverse (3545244013132), we get a palindrome (26676288267662).

The spelling of 23131044254530 in words is "twenty-three trillion, one hundred thirty-one billion, forty-four million, two hundred fifty-four thousand, five hundred thirty".