23136552 has 24 divisors (see below), whose sum is σ = 62661690. Its totient is φ = 7712160.

The previous prime is 23136527. The next prime is 23136559. The reversal of 23136552 is 25563132.

23136552 is a `hidden beast` number, since 2 + 3 + 1 + 3 + 655 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 13439556 + 9696996 = 3666^2 + 3114^2 .

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

It is not an unprimeable number, because it can be changed into a prime (23136559) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 160599 + ... + 160742.

Almost surely, 2^23136552 is an apocalyptic number.

It is an amenable number.

23136552 is an abundant number, since it is smaller than the sum of its proper divisors (39525138).

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

23136552 is a wasteful number, since it uses less digits than its factorization.

23136552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321353 (or 321346 counting only the distinct ones).

The product of its digits is 5400, while the sum is 27.

The square root of 23136552 is about 4810.0469852175. The cubic root of 23136552 is about 284.9483932412.

Adding to 23136552 its reverse (25563132), we get a palindrome (48699684).

The spelling of 23136552 in words is "twenty-three million, one hundred thirty-six thousand, five hundred fifty-two".