23040625 has 24 divisors (see below), whose sum is σ = 29482488. Its totient is φ = 18000000.

The previous prime is 23040623. The next prime is 23040629. The reversal of 23040625 is 52604032.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 20106256 + 2934369 = 4484^2 + 1713^2 .

It is not a de Polignac number, because 23040625 - 2¹ = 23040623 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23040596 and 23040605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23040623) 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, 228075 + ... + 228175.

It is an arithmetic number, because the mean of its divisors is an integer number (1228437).

Almost surely, 2^23040625 is an apocalyptic number.

23040625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23040625 is a deficient number, since it is larger than the sum of its proper divisors (6441863).

23040625 is an frugal number, since it uses more digits than its factorization.

23040625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199 (or 179 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 23040625 is about 4800.0651037252. The cubic root of 23040625 is about 284.5540373201.

Adding to 23040625 its reverse (52604032), we get a palindrome (75644657).

The spelling of 23040625 in words is "twenty-three million, forty thousand, six hundred twenty-five".