23471968225 has 24 divisors (see below), whose sum is σ = 29948174712. Its totient is φ = 18240768000.

The previous prime is 23471968183. The next prime is 23471968279. The reversal of 23471968225 is 52286917432.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 2385443281 + 21086524944 = 48841^2 + 145212^2 .

It is not a de Polignac number, because 23471968225 - 2⁷ = 23471968097 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 46129 + ... + 221521.

It is an arithmetic number, because the mean of its divisors is an integer number (1247840613).

Almost surely, 2^23471968225 is an apocalyptic number.

23471968225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23471968225 is a deficient number, since it is larger than the sum of its proper divisors (6476206487).

23471968225 is a wasteful number, since it uses less digits than its factorization.

23471968225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175557 (or 175552 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 49.

The spelling of 23471968225 in words is "twenty-three billion, four hundred seventy-one million, nine hundred sixty-eight thousand, two hundred twenty-five".