23137927 has 2 divisors, whose sum is σ = 23137928. Its totient is φ = 23137926.

The previous prime is 23137921. The next prime is 23137957. The reversal of 23137927 is 72973132.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23137927 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23137892 and 23137901.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23137921) 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, 11568963 + 11568964.

It is an arithmetic number, because the mean of its divisors is an integer number (11568964).

Almost surely, 2^23137927 is an apocalyptic number.

23137927 is a deficient number, since it is larger than the sum of its proper divisors (1).

23137927 is an equidigital number, since it uses as much as digits as its factorization.

23137927 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15876, while the sum is 34.

The square root of 23137927 is about 4810.1899130908. The cubic root of 23137927 is about 284.9540379354.

The spelling of 23137927 in words is "twenty-three million, one hundred thirty-seven thousand, nine hundred twenty-seven".