23200415221 has 4 divisors (see below), whose sum is σ = 23948815744. Its totient is φ = 22452014700.

The previous prime is 23200415167. The next prime is 23200415233. The reversal of 23200415221 is 12251400232.

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 a cyclic number.

It is not a de Polignac number, because 23200415221 - 2¹³ = 23200407029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23200415192 and 23200415201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23200418221) 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, 374200215 + ... + 374200276.

It is an arithmetic number, because the mean of its divisors is an integer number (5987203936).

Almost surely, 2^23200415221 is an apocalyptic number.

It is an amenable number.

23200415221 is a deficient number, since it is larger than the sum of its proper divisors (748400523).

23200415221 is an equidigital number, since it uses as much as digits as its factorization.

23200415221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 748400522.

The product of its (nonzero) digits is 960, while the sum is 22.

Adding to 23200415221 its reverse (12251400232), we get a palindrome (35451815453).

The spelling of 23200415221 in words is "twenty-three billion, two hundred million, four hundred fifteen thousand, two hundred twenty-one".