23872380 has 96 divisors (see below), whose sum is σ = 77220864. Its totient is φ = 5397504.

The previous prime is 23872361. The next prime is 23872391. The reversal of 23872380 is 8327832.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47209 + ... + 47711.

It is an arithmetic number, because the mean of its divisors is an integer number (804384).

Almost surely, 2^23872380 is an apocalyptic number.

23872380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23872380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38610432).

23872380 is an abundant number, since it is smaller than the sum of its proper divisors (53348484).

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

23872380 is a wasteful number, since it uses less digits than its factorization.

23872380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 635 (or 633 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 23872380 is about 4885.9369623441. The cubic root of 23872380 is about 287.9377276628.

The spelling of 23872380 in words is "twenty-three million, eight hundred seventy-two thousand, three hundred eighty".