23263631 has 4 divisors (see below), whose sum is σ = 23645064. Its totient is φ = 22882200.

The previous prime is 23263627. The next prime is 23263651. The reversal of 23263631 is 13636232.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23263631 - 2² = 23263627 is a prime.

It is a super-2 number, since 2×23263631² = 1082393054608322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23263631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23263651) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 190625 + ... + 190746.

It is an arithmetic number, because the mean of its divisors is an integer number (5911266).

Almost surely, 2^23263631 is an apocalyptic number.

23263631 is a deficient number, since it is larger than the sum of its proper divisors (381433).

23263631 is an equidigital number, since it uses as much as digits as its factorization.

23263631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381432.

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

The square root of 23263631 is about 4823.2386422403. The cubic root of 23263631 is about 285.4691401157.

Adding to 23263631 its reverse (13636232), we get a palindrome (36899863).

The spelling of 23263631 in words is "twenty-three million, two hundred sixty-three thousand, six hundred thirty-one".