23112825 has 24 divisors (see below), whose sum is σ = 39449856. Its totient is φ = 11928000.

The previous prime is 23112811. The next prime is 23112829. The reversal of 23112825 is 52821132.

23112825 = T₆₈ + T₆₉ + ... + T₅₁₇.

It is not a de Polignac number, because 23112825 - 2⁷ = 23112697 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23112795 and 23112804.

It is not an unprimeable number, because it can be changed into a prime (23112829) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2646 + ... + 7295.

It is an arithmetic number, because the mean of its divisors is an integer number (1643744).

Almost surely, 2^23112825 is an apocalyptic number.

23112825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23112825 is a deficient number, since it is larger than the sum of its proper divisors (16337031).

23112825 is a wasteful number, since it uses less digits than its factorization.

23112825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9985 (or 9980 counting only the distinct ones).

The product of its digits is 960, while the sum is 24.

The square root of 23112825 is about 4807.5799525333. The cubic root of 23112825 is about 284.8509531528.

Adding to 23112825 its reverse (52821132), we get a palindrome (75933957).

The spelling of 23112825 in words is "twenty-three million, one hundred twelve thousand, eight hundred twenty-five".