23240525 has 24 divisors (see below), whose sum is σ = 35932224. Its totient is φ = 14486400.

The previous prime is 23240519. The next prime is 23240527. The reversal of 23240525 is 52504232.

It is not a de Polignac number, because 23240525 - 2¹⁰ = 23239501 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23240525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23240527) 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, 4112 + ... + 7961.

It is an arithmetic number, because the mean of its divisors is an integer number (1497176).

Almost surely, 2^23240525 is an apocalyptic number.

23240525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23240525 is a deficient number, since it is larger than the sum of its proper divisors (12691699).

23240525 is a wasteful number, since it uses less digits than its factorization.

23240525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12101 (or 12096 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 23240525 is about 4820.8427686453. The cubic root of 23240525 is about 285.3745971939.

Adding to 23240525 its reverse (52504232), we get a palindrome (75744757).

The spelling of 23240525 in words is "twenty-three million, two hundred forty thousand, five hundred twenty-five".