223315425321 has 4 divisors (see below), whose sum is σ = 297753900432. Its totient is φ = 148876950212.

The previous prime is 223315425317. The next prime is 223315425349. The reversal of 223315425321 is 123524513322.

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 223315425321 - 2² = 223315425317 is a prime.

It is not an unprimeable number, because it can be changed into a prime (223315429321) 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, 37219237551 + ... + 37219237556.

It is an arithmetic number, because the mean of its divisors is an integer number (74438475108).

Almost surely, 2^223315425321 is an apocalyptic number.

It is an amenable number.

223315425321 is a deficient number, since it is larger than the sum of its proper divisors (74438475111).

223315425321 is an equidigital number, since it uses as much as digits as its factorization.

223315425321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74438475110.

The product of its digits is 43200, while the sum is 33.

Adding to 223315425321 its reverse (123524513322), we get a palindrome (346839938643).

The spelling of 223315425321 in words is "two hundred twenty-three billion, three hundred fifteen million, four hundred twenty-five thousand, three hundred twenty-one".