23000137 has 2 divisors, whose sum is σ = 23000138. Its totient is φ = 23000136.

The previous prime is 23000123. The next prime is 23000189. The reversal of 23000137 is 73100032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18627856 + 4372281 = 4316^2 + 2091^2 .

It is a cyclic number.

It is not a de Polignac number, because 23000137 - 2⁷ = 23000009 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23000137.

It is not a weakly prime, because it can be changed into another prime (23000837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11500068 + 11500069.

It is an arithmetic number, because the mean of its divisors is an integer number (11500069).

Almost surely, 2^23000137 is an apocalyptic number.

It is an amenable number.

23000137 is a deficient number, since it is larger than the sum of its proper divisors (1).

23000137 is an equidigital number, since it uses as much as digits as its factorization.

23000137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 126, while the sum is 16.

The square root of 23000137 is about 4795.8458065288. The cubic root of 23000137 is about 284.3872626359.

Adding to 23000137 its reverse (73100032), we get a palindrome (96100169).

The spelling of 23000137 in words is "twenty-three million, one hundred thirty-seven", and thus it is an aban number.