23531250 has 56 divisors (see below), whose sum is σ = 59061744. Its totient is φ = 6250000.

The previous prime is 23531239. The next prime is 23531251. The reversal of 23531250 is 5213532.

It is not an unprimeable number, because it can be changed into a prime (23531251) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 93625 + ... + 93875.

It is an arithmetic number, because the mean of its divisors is an integer number (1054674).

Almost surely, 2^23531250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23531250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29530872).

23531250 is an abundant number, since it is smaller than the sum of its proper divisors (35530494).

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

23531250 is an frugal number, since it uses more digits than its factorization.

23531250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286 (or 261 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 23531250 is about 4850.9019779831. The cubic root of 23531250 is about 286.5596244182.

Adding to 23531250 its reverse (5213532), we get a palindrome (28744782).

The spelling of 23531250 in words is "twenty-three million, five hundred thirty-one thousand, two hundred fifty".