23023439 has 2 divisors, whose sum is σ = 23023440. Its totient is φ = 23023438.

The previous prime is 23023433. The next prime is 23023463. The reversal of 23023439 is 93432032.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23023439 - 2⁸ = 23023183 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23023433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11511719 + 11511720.

It is an arithmetic number, because the mean of its divisors is an integer number (11511720).

Almost surely, 2^23023439 is an apocalyptic number.

23023439 is a deficient number, since it is larger than the sum of its proper divisors (1).

23023439 is an equidigital number, since it uses as much as digits as its factorization.

23023439 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 26.

The square root of 23023439 is about 4798.2745857235. The cubic root of 23023439 is about 284.4832701123.

The spelling of 23023439 in words is "twenty-three million, twenty-three thousand, four hundred thirty-nine".