23173312 has 84 divisors (see below), whose sum is σ = 52257960. Its totient is φ = 10156032.

The previous prime is 23173279. The next prime is 23173321. The reversal of 23173312 is 21337132.

It is a happy number.

Its product of digits (756) is a multiple of the sum of its prime factors (126).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 392739 + ... + 392797.

Almost surely, 2^23173312 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 23173312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26128980).

23173312 is an abundant number, since it is smaller than the sum of its proper divisors (29084648).

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

23173312 is a wasteful number, since it uses less digits than its factorization.

23173312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126 (or 97 counting only the distinct ones).

The product of its digits is 756, while the sum is 22.

The square root of 23173312 is about 4813.8666371224. The cubic root of 23173312 is about 285.0992247095.

The spelling of 23173312 in words is "twenty-three million, one hundred seventy-three thousand, three hundred twelve".