23137001 has 2 divisors, whose sum is σ = 23137002. Its totient is φ = 23137000.

The previous prime is 23136977. The next prime is 23137031. The reversal of 23137001 is 10073132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21381376 + 1755625 = 4624^2 + 1325^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23137001 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (23137031) 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, 11568500 + 11568501.

It is an arithmetic number, because the mean of its divisors is an integer number (11568501).

Almost surely, 2^23137001 is an apocalyptic number.

It is an amenable number.

23137001 is a deficient number, since it is larger than the sum of its proper divisors (1).

23137001 is an equidigital number, since it uses as much as digits as its factorization.

23137001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 126, while the sum is 17.

The square root of 23137001 is about 4810.0936581318. The cubic root of 23137001 is about 284.9502365150.

The spelling of 23137001 in words is "twenty-three million, one hundred thirty-seven thousand, one".