23131240401 has 16 divisors (see below), whose sum is σ = 30942476288. Its totient is φ = 15370462800.

The previous prime is 23131240393. The next prime is 23131240499. The reversal of 23131240401 is 10404213132.

It is not a de Polignac number, because 23131240401 - 2³ = 23131240393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23131240201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2539866 + ... + 2548956.

It is an arithmetic number, because the mean of its divisors is an integer number (1933904768).

Almost surely, 2^23131240401 is an apocalyptic number.

It is an amenable number.

23131240401 is a deficient number, since it is larger than the sum of its proper divisors (7811235887).

23131240401 is a wasteful number, since it uses less digits than its factorization.

23131240401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11772.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 23131240401 its reverse (10404213132), we get a palindrome (33535453533).

The spelling of 23131240401 in words is "twenty-three billion, one hundred thirty-one million, two hundred forty thousand, four hundred one".