23975437 has 2 divisors, whose sum is σ = 23975438. Its totient is φ = 23975436.

The previous prime is 23975429. The next prime is 23975459. The reversal of 23975437 is 73457932.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15100996 + 8874441 = 3886^2 + 2979^2 .

It is a cyclic number.

It is not a de Polignac number, because 23975437 - 2³ = 23975429 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23975437.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23975737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11987718 + 11987719.

It is an arithmetic number, because the mean of its divisors is an integer number (11987719).

Almost surely, 2^23975437 is an apocalyptic number.

It is an amenable number.

23975437 is a deficient number, since it is larger than the sum of its proper divisors (1).

23975437 is an equidigital number, since it uses as much as digits as its factorization.

23975437 is an evil number, because the sum of its binary digits is even.

The product of its digits is 158760, while the sum is 40.

The square root of 23975437 is about 4896.4718931083. The cubic root of 23975437 is about 288.3514749816.

The spelling of 23975437 in words is "twenty-three million, nine hundred seventy-five thousand, four hundred thirty-seven".