23118425 has 12 divisors (see below), whose sum is σ = 31273296. Its totient is φ = 16813200.

The previous prime is 23118401. The next prime is 23118457. The reversal of 23118425 is 52481132.

It is not a de Polignac number, because 23118425 - 2¹⁰ = 23117401 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 23118394 and 23118403.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41759 + ... + 42308.

It is an arithmetic number, because the mean of its divisors is an integer number (2606108).

Almost surely, 2^23118425 is an apocalyptic number.

23118425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23118425 is a deficient number, since it is larger than the sum of its proper divisors (8154871).

23118425 is a wasteful number, since it uses less digits than its factorization.

23118425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84088 (or 84083 counting only the distinct ones).

The product of its digits is 1920, while the sum is 26.

The square root of 23118425 is about 4808.1623308703. The cubic root of 23118425 is about 284.8739567814.

Adding to 23118425 its reverse (52481132), we get a palindrome (75599557).

The spelling of 23118425 in words is "twenty-three million, one hundred eighteen thousand, four hundred twenty-five".