23945525425 has 6 divisors (see below), whose sum is σ = 29692451558. Its totient is φ = 19156420320.

The previous prime is 23945525419. The next prime is 23945525441. The reversal of 23945525425 is 52452554932.

It can be written as a sum of positive squares in 3 ways, for example, as 1395097201 + 22550428224 = 37351^2 + 150168^2 .

It is not a de Polignac number, because 23945525425 - 2¹⁹ = 23945001137 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 478910484 + ... + 478910533.

Almost surely, 2^23945525425 is an apocalyptic number.

23945525425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23945525425 is a deficient number, since it is larger than the sum of its proper divisors (5746926133).

23945525425 is an equidigital number, since it uses as much as digits as its factorization.

23945525425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 957821027 (or 957821022 counting only the distinct ones).

The product of its digits is 2160000, while the sum is 46.

The spelling of 23945525425 in words is "twenty-three billion, nine hundred forty-five million, five hundred twenty-five thousand, four hundred twenty-five".