23989152 has 48 divisors (see below), whose sum is σ = 68699232. Its totient is φ = 7269120.

The previous prime is 23989127. The next prime is 23989171. The reversal of 23989152 is 25198932.

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 23989152.

It is an unprimeable number.

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, 10303 + ... + 12414.

It is an arithmetic number, because the mean of its divisors is an integer number (1431234).

Almost surely, 2^23989152 is an apocalyptic number.

23989152 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

23989152 is an abundant number, since it is smaller than the sum of its proper divisors (44710080).

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

23989152 is a wasteful number, since it uses less digits than its factorization.

23989152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22741 (or 22733 counting only the distinct ones).

The product of its digits is 38880, while the sum is 39.

The square root of 23989152 is about 4897.8721910642. The cubic root of 23989152 is about 288.4064477248.

The spelling of 23989152 in words is "twenty-three million, nine hundred eighty-nine thousand, one hundred fifty-two".