23031120025 has 12 divisors (see below), whose sum is σ = 28718139600. Its totient is φ = 18321960080.

The previous prime is 23031120023. The next prime is 23031120071. The reversal of 23031120025 is 52002113032.

It is not a de Polignac number, because 23031120025 - 2¹ = 23031120023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23031119984 and 23031120011.

It is not an unprimeable number, because it can be changed into a prime (23031120023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2568835 + ... + 2577784.

It is an arithmetic number, because the mean of its divisors is an integer number (2393178300).

Almost surely, 2^23031120025 is an apocalyptic number.

23031120025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23031120025 is a deficient number, since it is larger than the sum of its proper divisors (5687019575).

23031120025 is a wasteful number, since it uses less digits than its factorization.

23031120025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5146808 (or 5146803 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

Adding to 23031120025 its reverse (52002113032), we get a palindrome (75033233057).

The spelling of 23031120025 in words is "twenty-three billion, thirty-one million, one hundred twenty thousand, twenty-five".