25304405023 has 2 divisors, whose sum is σ = 25304405024. Its totient is φ = 25304405022.

The previous prime is 25304405017. The next prime is 25304405047. The reversal of 25304405023 is 32050440352.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25304405023 - 2²¹ = 25302307871 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25304404982 and 25304405000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25304405323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12652202511 + 12652202512.

It is an arithmetic number, because the mean of its divisors is an integer number (12652202512).

Almost surely, 2^25304405023 is an apocalyptic number.

25304405023 is a deficient number, since it is larger than the sum of its proper divisors (1).

25304405023 is an equidigital number, since it uses as much as digits as its factorization.

25304405023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14400, while the sum is 28.

Adding to 25304405023 its reverse (32050440352), we get a palindrome (57354845375).

The spelling of 25304405023 in words is "twenty-five billion, three hundred four million, four hundred five thousand, twenty-three".