23439763 has 2 divisors, whose sum is σ = 23439764. Its totient is φ = 23439762.

The previous prime is 23439739. The next prime is 23439769. The reversal of 23439763 is 36793432.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23439763 is a prime.

It is not a weakly prime, because it can be changed into another prime (23439769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11719881 + 11719882.

It is an arithmetic number, because the mean of its divisors is an integer number (11719882).

Almost surely, 2^23439763 is an apocalyptic number.

23439763 is a deficient number, since it is larger than the sum of its proper divisors (1).

23439763 is an equidigital number, since it uses as much as digits as its factorization.

23439763 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 81648, while the sum is 37.

The square root of 23439763 is about 4841.4628987528. The cubic root of 23439763 is about 286.1877709671.

The spelling of 23439763 in words is "twenty-three million, four hundred thirty-nine thousand, seven hundred sixty-three".