23120554025 has 6 divisors (see below), whose sum is σ = 28669487022. Its totient is φ = 18496443200.

The previous prime is 23120554021. The next prime is 23120554031. The reversal of 23120554025 is 52045502132.

It can be written as a sum of positive squares in 3 ways, for example, as 2151197161 + 20969356864 = 46381^2 + 144808^2 .

It is not a de Polignac number, because 23120554025 - 2² = 23120554021 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23120554021) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 462411056 + ... + 462411105.

It is an arithmetic number, because the mean of its divisors is an integer number (4778247837).

Almost surely, 2^23120554025 is an apocalyptic number.

23120554025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23120554025 is a deficient number, since it is larger than the sum of its proper divisors (5548932997).

23120554025 is an equidigital number, since it uses as much as digits as its factorization.

23120554025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 924822171 (or 924822166 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 29.

The spelling of 23120554025 in words is "twenty-three billion, one hundred twenty million, five hundred fifty-four thousand, twenty-five".