23534136 has 24 divisors (see below), whose sum is σ = 63738480. Its totient is φ = 7844688.

The previous prime is 23534113. The next prime is 23534149. The reversal of 23534136 is 63143532.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 163360 + ... + 163503.

It is an arithmetic number, because the mean of its divisors is an integer number (2655770).

Almost surely, 2^23534136 is an apocalyptic number.

It is an amenable number.

23534136 is an abundant number, since it is smaller than the sum of its proper divisors (40204344).

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

23534136 is a wasteful number, since it uses less digits than its factorization.

23534136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326875 (or 326868 counting only the distinct ones).

The product of its digits is 6480, while the sum is 27.

The square root of 23534136 is about 4851.1994393140. The cubic root of 23534136 is about 286.5713390143.

Adding to 23534136 its reverse (63143532), we get a palindrome (86677668).

The spelling of 23534136 in words is "twenty-three million, five hundred thirty-four thousand, one hundred thirty-six".