23420759 has 2 divisors, whose sum is σ = 23420760. Its totient is φ = 23420758.

The previous prime is 23420737. The next prime is 23420773. The reversal of 23420759 is 95702432.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23420759 - 2¹² = 23416663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23420729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11710379 + 11710380.

It is an arithmetic number, because the mean of its divisors is an integer number (11710380).

Almost surely, 2^23420759 is an apocalyptic number.

23420759 is a deficient number, since it is larger than the sum of its proper divisors (1).

23420759 is an equidigital number, since it uses as much as digits as its factorization.

23420759 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 23420759 is about 4839.4998708544. The cubic root of 23420759 is about 286.1104069469.

The spelling of 23420759 in words is "twenty-three million, four hundred twenty thousand, seven hundred fifty-nine".