23107136 has 28 divisors (see below), whose sum is σ = 49382172. Its totient is φ = 10664448.

The previous prime is 23107093. The next prime is 23107141. The reversal of 23107136 is 63170132.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 8667136 + 14440000 = 2944^2 + 3800^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13055 + ... + 14718.

It is an arithmetic number, because the mean of its divisors is an integer number (1763649).

Almost surely, 2^23107136 is an apocalyptic number.

23107136 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

23107136 is an abundant number, since it is smaller than the sum of its proper divisors (26275036).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23107136 is a wasteful number, since it uses less digits than its factorization.

23107136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27798 (or 27788 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 23.

The square root of 23107136 is about 4806.9882462931. The cubic root of 23107136 is about 284.8275801258.

Adding to 23107136 its reverse (63170132), we get a palindrome (86277268).

The spelling of 23107136 in words is "twenty-three million, one hundred seven thousand, one hundred thirty-six".