23172352 has 72 divisors (see below), whose sum is σ = 53928896. Its totient is φ = 9732096.

The previous prime is 23172349. The next prime is 23172361. The reversal of 23172352 is 25327132.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119968 + ... + 120160.

Almost surely, 2^23172352 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 23172352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26964448).

23172352 is an abundant number, since it is smaller than the sum of its proper divisors (30756544).

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

23172352 is an equidigital number, since it uses as much as digits as its factorization.

23172352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283 (or 269 counting only the distinct ones).

The product of its digits is 2520, while the sum is 25.

The square root of 23172352 is about 4813.7669241458. The cubic root of 23172352 is about 285.0952877232.

Adding to 23172352 its reverse (25327132), we get a palindrome (48499484).

The spelling of 23172352 in words is "twenty-three million, one hundred seventy-two thousand, three hundred fifty-two".