23172048 has 40 divisors (see below), whose sum is σ = 66513600. Its totient is φ = 7723872.

The previous prime is 23172041. The next prime is 23172049. The reversal of 23172048 is 84027132.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23172041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26388 + ... + 27251.

It is an arithmetic number, because the mean of its divisors is an integer number (1662840).

Almost surely, 2^23172048 is an apocalyptic number.

It is an amenable number.

23172048 is an abundant number, since it is smaller than the sum of its proper divisors (43341552).

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

23172048 is a wasteful number, since it uses less digits than its factorization.

23172048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53656 (or 53644 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 23172048 is about 4813.7353479393. The cubic root of 23172048 is about 285.0940409882.

The spelling of 23172048 in words is "twenty-three million, one hundred seventy-two thousand, forty-eight".