23136807 has 4 divisors (see below), whose sum is σ = 30849080. Its totient is φ = 15424536.

The previous prime is 23136769. The next prime is 23136811. The reversal of 23136807 is 70863132.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 23136807 - 2¹¹ = 23134759 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23136857) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3856132 + ... + 3856137.

It is an arithmetic number, because the mean of its divisors is an integer number (7712270).

Almost surely, 2^23136807 is an apocalyptic number.

23136807 is a deficient number, since it is larger than the sum of its proper divisors (7712273).

23136807 is an equidigital number, since it uses as much as digits as its factorization.

23136807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7712272.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 23136807 is about 4810.0734921620. The cubic root of 23136807 is about 284.9494400923.

Adding to 23136807 its reverse (70863132), we get a palindrome (93999939).

The spelling of 23136807 in words is "twenty-three million, one hundred thirty-six thousand, eight hundred seven".