23240001631 has 16 divisors (see below), whose sum is σ = 28978145280. Its totient is φ = 18106843680.

The previous prime is 23240001599. The next prime is 23240001637. The reversal of 23240001631 is 13610004232.

It is a cyclic number.

It is not a de Polignac number, because 23240001631 - 2⁵ = 23240001599 is a prime.

It is a super-2 number, since 2×23240001631² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23240001637) 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, 889330 + ... + 915088.

It is an arithmetic number, because the mean of its divisors is an integer number (1811134080).

Almost surely, 2^23240001631 is an apocalyptic number.

23240001631 is a deficient number, since it is larger than the sum of its proper divisors (5738143649).

23240001631 is a wasteful number, since it uses less digits than its factorization.

23240001631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37494.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 23240001631 its reverse (13610004232), we get a palindrome (36850005863).

The spelling of 23240001631 in words is "twenty-three billion, two hundred forty million, one thousand, six hundred thirty-one".