23389609825 has 6 divisors (see below), whose sum is σ = 29003116214. Its totient is φ = 18711687840.

The previous prime is 23389609813. The next prime is 23389609871. The reversal of 23389609825 is 52890698332.

It can be written as a sum of positive squares in 3 ways, for example, as 1008253009 + 22381356816 = 31753^2 + 149604^2 .

It is not a de Polignac number, because 23389609825 - 2⁷ = 23389609697 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 467792172 + ... + 467792221.

Almost surely, 2^23389609825 is an apocalyptic number.

23389609825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23389609825 is a deficient number, since it is larger than the sum of its proper divisors (5613506389).

23389609825 is an equidigital number, since it uses as much as digits as its factorization.

23389609825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 935584403 (or 935584398 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 55.

The spelling of 23389609825 in words is "twenty-three billion, three hundred eighty-nine million, six hundred nine thousand, eight hundred twenty-five".