23013225 has 36 divisors (see below), whose sum is σ = 43021056. Its totient is φ = 11737440.

The previous prime is 23013209. The next prime is 23013233. The reversal of 23013225 is 52231032.

It is not a de Polignac number, because 23013225 - 2⁴ = 23013209 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23013198 and 23013207.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2952 + ... + 7398.

Almost surely, 2^23013225 is an apocalyptic number.

23013225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23013225 is a deficient number, since it is larger than the sum of its proper divisors (20007831).

23013225 is a wasteful number, since it uses less digits than its factorization.

23013225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4486 (or 4478 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 23013225 is about 4797.2101267299. The cubic root of 23013225 is about 284.4411949917.

Adding to 23013225 its reverse (52231032), we get a palindrome (75244257).

The spelling of 23013225 in words is "twenty-three million, thirteen thousand, two hundred twenty-five".