23987712 has 160 divisors (see below), whose sum is σ = 76995072. Its totient is φ = 6488064.

The previous prime is 23987699. The next prime is 23987737. The reversal of 23987712 is 21778932.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 247248 + ... + 247344.

Almost surely, 2^23987712 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23987712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38497536).

23987712 is an abundant number, since it is smaller than the sum of its proper divisors (53007360).

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

23987712 is an equidigital number, since it uses as much as digits as its factorization.

23987712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148 (or 132 counting only the distinct ones).

The product of its digits is 42336, while the sum is 39.

The square root of 23987712 is about 4897.7251862472. The cubic root of 23987712 is about 288.4006768720.

The spelling of 23987712 in words is "twenty-three million, nine hundred eighty-seven thousand, seven hundred twelve".