23250520 has 16 divisors (see below), whose sum is σ = 52313760. Its totient is φ = 9300192.

The previous prime is 23250511. The next prime is 23250581. The reversal of 23250520 is 2505232.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 290592 + ... + 290671.

It is an arithmetic number, because the mean of its divisors is an integer number (3269610).

Almost surely, 2^23250520 is an apocalyptic number.

23250520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23250520 is an abundant number, since it is smaller than the sum of its proper divisors (29063240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23250520 is a wasteful number, since it uses less digits than its factorization.

23250520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 581274 (or 581270 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 19.

The square root of 23250520 is about 4821.8793016831. The cubic root of 23250520 is about 285.4155014663.

Adding to 23250520 its reverse (2505232), we get a palindrome (25755752).

The spelling of 23250520 in words is "twenty-three million, two hundred fifty thousand, five hundred twenty".