23662039 has 2 divisors, whose sum is σ = 23662040. Its totient is φ = 23662038.

The previous prime is 23662033. The next prime is 23662069. The reversal of 23662039 is 93026632.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23662039 - 2³ = 23662031 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23662039.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23662031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11831019 + 11831020.

It is an arithmetic number, because the mean of its divisors is an integer number (11831020).

Almost surely, 2^23662039 is an apocalyptic number.

23662039 is a deficient number, since it is larger than the sum of its proper divisors (1).

23662039 is an equidigital number, since it uses as much as digits as its factorization.

23662039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 31.

The square root of 23662039 is about 4864.3641927800. The cubic root of 23662039 is about 287.0895526810.

The spelling of 23662039 in words is "twenty-three million, six hundred sixty-two thousand, thirty-nine".