23136923 has 2 divisors, whose sum is σ = 23136924. Its totient is φ = 23136922.

The previous prime is 23136917. The next prime is 23136941. The reversal of 23136923 is 32963132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23136923 - 2¹⁸ = 22874779 is a prime.

It is not a weakly prime, because it can be changed into another prime (23136913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11568461 + 11568462.

It is an arithmetic number, because the mean of its divisors is an integer number (11568462).

Almost surely, 2^23136923 is an apocalyptic number.

23136923 is a deficient number, since it is larger than the sum of its proper divisors (1).

23136923 is an equidigital number, since it uses as much as digits as its factorization.

23136923 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5832, while the sum is 29.

The square root of 23136923 is about 4810.0855501748. The cubic root of 23136923 is about 284.9499163044.

The spelling of 23136923 in words is "twenty-three million, one hundred thirty-six thousand, nine hundred twenty-three".