223312332121 has 4 divisors (see below), whose sum is σ = 225017006544. Its totient is φ = 221607657700.

The previous prime is 223312332119. The next prime is 223312332149. The reversal of 223312332121 is 121233213322.

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 223312332121 - 2¹ = 223312332119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223312332821) 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, 852337015 + ... + 852337276.

It is an arithmetic number, because the mean of its divisors is an integer number (56254251636).

Almost surely, 2^223312332121 is an apocalyptic number.

It is an amenable number.

223312332121 is a deficient number, since it is larger than the sum of its proper divisors (1704674423).

223312332121 is a wasteful number, since it uses less digits than its factorization.

223312332121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1704674422.

The product of its digits is 2592, while the sum is 25.

Adding to 223312332121 its reverse (121233213322), we get a palindrome (344545545443).

The spelling of 223312332121 in words is "two hundred twenty-three billion, three hundred twelve million, three hundred thirty-two thousand, one hundred twenty-one".