23864840201 has 4 divisors (see below), whose sum is σ = 23865417732. Its totient is φ = 23864262672.

The previous prime is 23864840189. The next prime is 23864840239. The reversal of 23864840201 is 10204846832.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 15248545225 + 8616294976 = 123485^2 + 92824^2 .

It is a cyclic number.

It is not a de Polignac number, because 23864840201 - 2¹⁰ = 23864839177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23864840291) 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, 221570 + ... + 311163.

It is an arithmetic number, because the mean of its divisors is an integer number (5966354433).

Almost surely, 2^23864840201 is an apocalyptic number.

It is an amenable number.

23864840201 is a deficient number, since it is larger than the sum of its proper divisors (577531).

23864840201 is an equidigital number, since it uses as much as digits as its factorization.

23864840201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 577530.

The product of its (nonzero) digits is 73728, while the sum is 38.

The spelling of 23864840201 in words is "twenty-three billion, eight hundred sixty-four million, eight hundred forty thousand, two hundred one".