23988001 has 4 divisors (see below), whose sum is σ = 24498432. Its totient is φ = 23477572.

The previous prime is 23987983. The next prime is 23988053. The reversal of 23988001 is 10088932.

It is the 2000-th star number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23988001 - 2¹⁵ = 23955233 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23988061) 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 3 ways as a sum of consecutive naturals, for example, 255145 + ... + 255238.

It is an arithmetic number, because the mean of its divisors is an integer number (6124608).

Almost surely, 2^23988001 is an apocalyptic number.

It is an amenable number.

23988001 is a deficient number, since it is larger than the sum of its proper divisors (510431).

23988001 is an equidigital number, since it uses as much as digits as its factorization.

23988001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510430.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 23988001 is about 4897.7546896512. The cubic root of 23988001 is about 288.4018350687.

The spelling of 23988001 in words is "twenty-three million, nine hundred eighty-eight thousand, one".