23032210013221 has 4 divisors (see below), whose sum is σ = 23079118791744. Its totient is φ = 22985301234700.

The previous prime is 23032210013209. The next prime is 23032210013251. The reversal of 23032210013221 is 12231001223032.

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 a de Polignac number, because none of the positive numbers 2^k-23032210013221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23032210013192 and 23032210013201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23032210013251) 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, 23454388525 + ... + 23454389506.

It is an arithmetic number, because the mean of its divisors is an integer number (5769779697936).

Almost surely, 2^{23032210013221} is an apocalyptic number.

It is an amenable number.

23032210013221 is a deficient number, since it is larger than the sum of its proper divisors (46908778523).

23032210013221 is an equidigital number, since it uses as much as digits as its factorization.

23032210013221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46908778522.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 23032210013221 its reverse (12231001223032), we get a palindrome (35263211236253).

The spelling of 23032210013221 in words is "twenty-three trillion, thirty-two billion, two hundred ten million, thirteen thousand, two hundred twenty-one".