23425983439 has 2 divisors, whose sum is σ = 23425983440. Its totient is φ = 23425983438.

The previous prime is 23425983421. The next prime is 23425983479. The reversal of 23425983439 is 93438952432.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23425983439 - 2¹⁵ = 23425950671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23425983479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11712991719 + 11712991720.

It is an arithmetic number, because the mean of its divisors is an integer number (11712991720).

Almost surely, 2^23425983439 is an apocalyptic number.

23425983439 is a deficient number, since it is larger than the sum of its proper divisors (1).

23425983439 is an equidigital number, since it uses as much as digits as its factorization.

23425983439 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5598720, while the sum is 52.

The spelling of 23425983439 in words is "twenty-three billion, four hundred twenty-five million, nine hundred eighty-three thousand, four hundred thirty-nine".