23136365 has 16 divisors (see below), whose sum is σ = 32469888. Its totient is φ = 15494976.

The previous prime is 23136353. The next prime is 23136389. The reversal of 23136365 is 56363132.

It is a happy number.

It is not a de Polignac number, because 23136365 - 2⁶ = 23136301 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6182 + ... + 9191.

It is an arithmetic number, because the mean of its divisors is an integer number (2029368).

Almost surely, 2^23136365 is an apocalyptic number.

It is an amenable number.

23136365 is a deficient number, since it is larger than the sum of its proper divisors (9333523).

23136365 is a wasteful number, since it uses less digits than its factorization.

23136365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15428.

The product of its digits is 9720, while the sum is 29.

The square root of 23136365 is about 4810.0275466987. The cubic root of 23136365 is about 284.9476255455.

Adding to 23136365 its reverse (56363132), we get a palindrome (79499497).

The spelling of 23136365 in words is "twenty-three million, one hundred thirty-six thousand, three hundred sixty-five".