23201321001 has 16 divisors (see below), whose sum is σ = 32285381760. Its totient is φ = 14792624000.

The previous prime is 23201320981. The next prime is 23201321027. The reversal of 23201321001 is 10012310232.

It is a cyclic number.

It is not a de Polignac number, because 23201321001 - 2⁷ = 23201320873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23201321071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 459055 + ... + 507083.

It is an arithmetic number, because the mean of its divisors is an integer number (2017836360).

Almost surely, 2^23201321001 is an apocalyptic number.

It is an amenable number.

23201321001 is a deficient number, since it is larger than the sum of its proper divisors (9084060759).

23201321001 is a wasteful number, since it uses less digits than its factorization.

23201321001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55056.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 23201321001 its reverse (10012310232), we get a palindrome (33213631233).

The spelling of 23201321001 in words is "twenty-three billion, two hundred one million, three hundred twenty-one thousand, one".