23564001 has 4 divisors (see below), whose sum is σ = 31418672. Its totient is φ = 15709332.

The previous prime is 23563927. The next prime is 23564017. The reversal of 23564001 is 10046532.

It is a happy 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 not a de Polignac number, because 23564001 - 2⁹ = 23563489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23564071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3927331 + ... + 3927336.

It is an arithmetic number, because the mean of its divisors is an integer number (7854668).

Almost surely, 2^23564001 is an apocalyptic number.

It is an amenable number.

23564001 is a deficient number, since it is larger than the sum of its proper divisors (7854671).

23564001 is an equidigital number, since it uses as much as digits as its factorization.

23564001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7854670.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 23564001 is about 4854.2765681407. The cubic root of 23564001 is about 286.6925081866.

The spelling of 23564001 in words is "twenty-three million, five hundred sixty-four thousand, one".