23236631 has 8 divisors (see below), whose sum is σ = 25827984. Its totient is φ = 20725120.

The previous prime is 23236613. The next prime is 23236643. The reversal of 23236631 is 13663232.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23236631 - 2¹⁴ = 23220247 is a prime.

It is a super-2 number, since 2×23236631² = 1079882040460322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23236631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23230631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19346 + ... + 20511.

It is an arithmetic number, because the mean of its divisors is an integer number (3228498).

Almost surely, 2^23236631 is an apocalyptic number.

23236631 is a deficient number, since it is larger than the sum of its proper divisors (2591353).

23236631 is a wasteful number, since it uses less digits than its factorization.

23236631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39921.

The product of its digits is 3888, while the sum is 26.

The square root of 23236631 is about 4820.4388804340. The cubic root of 23236631 is about 285.3586579276.

Adding to 23236631 its reverse (13663232), we get a palindrome (36899863).

It can be divided in two parts, 232 and 36631, that added together give a palindrome (36863).

The spelling of 23236631 in words is "twenty-three million, two hundred thirty-six thousand, six hundred thirty-one".