23172050 has 24 divisors (see below), whose sum is σ = 47019312. Its totient is φ = 8426000.

The previous prime is 23172049. The next prime is 23172059. The reversal of 23172050 is 5027132.

It is a hoax number, since the sum of its digits (20) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (23172059) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20516 + ... + 21615.

It is an arithmetic number, because the mean of its divisors is an integer number (1959138).

Almost surely, 2^23172050 is an apocalyptic number.

23172050 is an abundant number, since it is smaller than the sum of its proper divisors (23847262).

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

23172050 is a wasteful number, since it uses less digits than its factorization.

23172050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42154 (or 42149 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 23172050 is about 4813.7355556781. The cubic root of 23172050 is about 285.0940491904.

Adding to 23172050 its reverse (5027132), we get a palindrome (28199182).

The spelling of 23172050 in words is "twenty-three million, one hundred seventy-two thousand, fifty".