23256250 has 36 divisors (see below), whose sum is σ = 44329194. Its totient is φ = 9150000.

The previous prime is 23256227. The next prime is 23256251. The reversal of 23256250 is 5265232.

It can be written as a sum of positive squares in 9 ways, for example, as 22155849 + 1100401 = 4707^2 + 1049^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (23256251) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 381220 + ... + 381280.

Almost surely, 2^23256250 is an apocalyptic number.

23256250 is a deficient number, since it is larger than the sum of its proper divisors (21072944).

23256250 is an frugal number, since it uses more digits than its factorization.

23256250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149 (or 68 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 23256250 is about 4822.4734317568. The cubic root of 23256250 is about 285.4389460530.

It can be divided in two parts, 232562 and 50, that multiplied together give a square (11628100 = 3410²).

The spelling of 23256250 in words is "twenty-three million, two hundred fifty-six thousand, two hundred fifty".