23131240000404 has 24 divisors (see below), whose sum is σ = 53976607557600. Its totient is φ = 7709882730144.

The previous prime is 23131240000403. The next prime is 23131240000441. The reversal of 23131240000404 is 40400004213132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23131240000403) 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 7 ways as a sum of consecutive naturals, for example, 66143754 + ... + 66492545.

It is an arithmetic number, because the mean of its divisors is an integer number (2249025314900).

Almost surely, 2^{23131240000404} is an apocalyptic number.

It is an amenable number.

23131240000404 is an abundant number, since it is smaller than the sum of its proper divisors (30845367557196).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23131240000404 is a wasteful number, since it uses less digits than its factorization.

23131240000404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132650839 (or 132650837 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 23131240000404 its reverse (40400004213132), we get a palindrome (63531244213536).

The spelling of 23131240000404 in words is "twenty-three trillion, one hundred thirty-one billion, two hundred forty million, four hundred four", and thus it is an aban number.