23351250 has 80 divisors (see below), whose sum is σ = 62979840. Its totient is φ = 5736000.

The previous prime is 23351249. The next prime is 23351267. The reversal of 23351250 is 5215332.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 48511 + ... + 48989.

It is an arithmetic number, because the mean of its divisors is an integer number (787248).

Almost surely, 2^23351250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23351250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31489920).

23351250 is an abundant number, since it is smaller than the sum of its proper divisors (39628590).

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

23351250 is a wasteful number, since it uses less digits than its factorization.

23351250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517 (or 502 counting only the distinct ones).

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

The square root of 23351250 is about 4832.3131107162. The cubic root of 23351250 is about 285.8270834387.

Adding to 23351250 its reverse (5215332), we get a palindrome (28566582).

The spelling of 23351250 in words is "twenty-three million, three hundred fifty-one thousand, two hundred fifty".