23331020001 has 4 divisors (see below), whose sum is σ = 31108026672. Its totient is φ = 15554013332.

The previous prime is 23331019981. The next prime is 23331020039. The reversal of 23331020001 is 10002013332.

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 23331020001 - 2²¹ = 23328922849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23331020051) 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, 3888503331 + ... + 3888503336.

It is an arithmetic number, because the mean of its divisors is an integer number (7777006668).

Almost surely, 2^23331020001 is an apocalyptic number.

It is an amenable number.

23331020001 is a deficient number, since it is larger than the sum of its proper divisors (7777006671).

23331020001 is an equidigital number, since it uses as much as digits as its factorization.

23331020001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7777006670.

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 23331020001 its reverse (10002013332), we get a palindrome (33333033333).

The spelling of 23331020001 in words is "twenty-three billion, three hundred thirty-one million, twenty thousand, one".