25122404023 has 2 divisors, whose sum is σ = 25122404024. Its totient is φ = 25122404022.

The previous prime is 25122404011. The next prime is 25122404059. The reversal of 25122404023 is 32040422152.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25122404023 - 2²⁹ = 24585533111 is a prime.

It is a super-2 number, since 2×25122404023² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25122404003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12561202011 + 12561202012.

It is an arithmetic number, because the mean of its divisors is an integer number (12561202012).

Almost surely, 2^25122404023 is an apocalyptic number.

25122404023 is a deficient number, since it is larger than the sum of its proper divisors (1).

25122404023 is an equidigital number, since it uses as much as digits as its factorization.

25122404023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3840, while the sum is 25.

Adding to 25122404023 its reverse (32040422152), we get a palindrome (57162826175).

The spelling of 25122404023 in words is "twenty-five billion, one hundred twenty-two million, four hundred four thousand, twenty-three".