23136853 has 2 divisors, whose sum is σ = 23136854. Its totient is φ = 23136852.

The previous prime is 23136829. The next prime is 23136857. The reversal of 23136853 is 35863132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12909649 + 10227204 = 3593^2 + 3198^2 .

It is a cyclic number.

It is not a de Polignac number, because 23136853 - 2⁵ = 23136821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23136857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11568426 + 11568427.

It is an arithmetic number, because the mean of its divisors is an integer number (11568427).

Almost surely, 2^23136853 is an apocalyptic number.

It is an amenable number.

23136853 is a deficient number, since it is larger than the sum of its proper divisors (1).

23136853 is an equidigital number, since it uses as much as digits as its factorization.

23136853 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12960, while the sum is 31.

The square root of 23136853 is about 4810.0782737914. The cubic root of 23136853 is about 284.9496289352.

Adding to 23136853 its reverse (35863132), we get a palindrome (58999985).

The spelling of 23136853 in words is "twenty-three million, one hundred thirty-six thousand, eight hundred fifty-three".