23108631 has 32 divisors (see below), whose sum is σ = 38750208. Its totient is φ = 11923200.

The previous prime is 23108581. The next prime is 23108639. The reversal of 23108631 is 13680132.

It is not a de Polignac number, because 23108631 - 2⁹ = 23108119 is a prime.

It is a super-2 number, since 2×23108631² = 1068017653388322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23108639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11931 + ... + 13731.

It is an arithmetic number, because the mean of its divisors is an integer number (1210944).

Almost surely, 2^23108631 is an apocalyptic number.

23108631 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

23108631 is a deficient number, since it is larger than the sum of its proper divisors (15641577).

23108631 is a wasteful number, since it uses less digits than its factorization.

23108631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1871.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 23108631 is about 4807.1437465505. The cubic root of 23108631 is about 284.8337226446.

Adding to 23108631 its reverse (13680132), we get a palindrome (36788763).

The spelling of 23108631 in words is "twenty-three million, one hundred eight thousand, six hundred thirty-one".