25305955597423 has 2 divisors, whose sum is σ = 25305955597424. Its totient is φ = 25305955597422.

The previous prime is 25305955597387. The next prime is 25305955597453. The reversal of 25305955597423 is 32479555950352.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25305955597423 - 2²¹ = 25305953500271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25305955597453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12652977798711 + 12652977798712.

It is an arithmetic number, because the mean of its divisors is an integer number (12652977798712).

Almost surely, 2^{25305955597423} is an apocalyptic number.

25305955597423 is a deficient number, since it is larger than the sum of its proper divisors (1).

25305955597423 is an equidigital number, since it uses as much as digits as its factorization.

25305955597423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 255150000, while the sum is 64.

The spelling of 25305955597423 in words is "twenty-five trillion, three hundred five billion, nine hundred fifty-five million, five hundred ninety-seven thousand, four hundred twenty-three".