23136355 has 16 divisors (see below), whose sum is σ = 30862944. Its totient is φ = 16506880.

The previous prime is 23136353. The next prime is 23136389. The reversal of 23136355 is 55363132.

It is not a de Polignac number, because 23136355 - 2¹ = 23136353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23136353) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1054 + ... + 6883.

It is an arithmetic number, because the mean of its divisors is an integer number (1928934).

Almost surely, 2^23136355 is an apocalyptic number.

23136355 is a deficient number, since it is larger than the sum of its proper divisors (7726589).

23136355 is a wasteful number, since it uses less digits than its factorization.

23136355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8006.

The product of its digits is 8100, while the sum is 28.

The square root of 23136355 is about 4810.0265072035. The cubic root of 23136355 is about 284.9475844922.

Adding to 23136355 its reverse (55363132), we get a palindrome (78499487).

It can be divided in two parts, 2313 and 6355, that added together give a palindrome (8668).

The spelling of 23136355 in words is "twenty-three million, one hundred thirty-six thousand, three hundred fifty-five".