23350220401 has 4 divisors (see below), whose sum is σ = 23581410804. Its totient is φ = 23119030000.

The previous prime is 23350220351. The next prime is 23350220419. The reversal of 23350220401 is 10402205332.

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 18994352400 + 4355868001 = 137820^2 + 65999^2 .

It is a cyclic number.

It is not a de Polignac number, because 23350220401 - 2⁹ = 23350219889 is a prime.

It is a Smith number, since the sum of its digits (22) 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 (23350220501) 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, 115595050 + ... + 115595251.

It is an arithmetic number, because the mean of its divisors is an integer number (5895352701).

Almost surely, 2^23350220401 is an apocalyptic number.

It is an amenable number.

23350220401 is a deficient number, since it is larger than the sum of its proper divisors (231190403).

23350220401 is a wasteful number, since it uses less digits than its factorization.

23350220401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231190402.

The product of its (nonzero) digits is 1440, while the sum is 22.

Adding to 23350220401 its reverse (10402205332), we get a palindrome (33752425733).

The spelling of 23350220401 in words is "twenty-three billion, three hundred fifty million, two hundred twenty thousand, four hundred one".