23187960 has 96 divisors (see below), whose sum is σ = 77248080. Its totient is φ = 6028800.

The previous prime is 23187929. The next prime is 23188021. The reversal of 23187960 is 6978132.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 23 ways as a sum of consecutive naturals, for example, 13975 + ... + 15545.

Almost surely, 2^23187960 is an apocalyptic number.

23187960 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 23187960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38624040).

23187960 is an abundant number, since it is smaller than the sum of its proper divisors (54060120).

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

23187960 is a wasteful number, since it uses less digits than its factorization.

23187960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1629 (or 1622 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 23187960 is about 4815.3878348478. The cubic root of 23187960 is about 285.1592830765.

The spelling of 23187960 in words is "twenty-three million, one hundred eighty-seven thousand, nine hundred sixty".