23217267825 has 144 divisors (see below), whose sum is σ = 44086678272. Its totient is φ = 11664000000.

The previous prime is 23217267817. The next prime is 23217267919. The reversal of 23217267825 is 52876271232.

It is not a de Polignac number, because 23217267825 - 2³ = 23217267817 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 85672440 + ... + 85672710.

It is an arithmetic number, because the mean of its divisors is an integer number (306157488).

Almost surely, 2^23217267825 is an apocalyptic number.

23217267825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23217267825 is a deficient number, since it is larger than the sum of its proper divisors (20869410447).

23217267825 is a wasteful number, since it uses less digits than its factorization.

23217267825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 616 (or 608 counting only the distinct ones).

The product of its digits is 564480, while the sum is 45.

The spelling of 23217267825 in words is "twenty-three billion, two hundred seventeen million, two hundred sixty-seven thousand, eight hundred twenty-five".