23125312 has 56 divisors (see below), whose sum is σ = 53766720. Its totient is φ = 9661440.

The previous prime is 23125309. The next prime is 23125313. The reversal of 23125312 is 21352132.

It is a tau number, because it is divible by the number of its divisors (56).

It is a self number, because there is not a number n which added to its sum of digits gives 23125312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23125313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17739 + ... + 18997.

It is an arithmetic number, because the mean of its divisors is an integer number (960120).

Almost surely, 2^23125312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23125312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26883360).

23125312 is an abundant number, since it is smaller than the sum of its proper divisors (30641408).

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

23125312 is a wasteful number, since it uses less digits than its factorization.

23125312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1319 (or 1309 counting only the distinct ones).

The product of its digits is 360, while the sum is 19.

The square root of 23125312 is about 4808.8784555237. The cubic root of 23125312 is about 284.9022420438.

Adding to 23125312 its reverse (21352132), we get a palindrome (44477444).

The spelling of 23125312 in words is "twenty-three million, one hundred twenty-five thousand, three hundred twelve".