223012321013 has 2 divisors, whose sum is σ = 223012321014. Its totient is φ = 223012321012.

The previous prime is 223012321003. The next prime is 223012321027. The reversal of 223012321013 is 310123210322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 218124493444 + 4887827569 = 467038^2 + 69913^2 .

It is a cyclic number.

It is not a de Polignac number, because 223012321013 - 2²⁰ = 223011272437 is a prime.

It is a super-2 number, since 2×223012321013² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223012321003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111506160506 + 111506160507.

It is an arithmetic number, because the mean of its divisors is an integer number (111506160507).

Almost surely, 2^223012321013 is an apocalyptic number.

It is an amenable number.

223012321013 is a deficient number, since it is larger than the sum of its proper divisors (1).

223012321013 is an equidigital number, since it uses as much as digits as its factorization.

223012321013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 223012321013 its reverse (310123210322), we get a palindrome (533135531335).

The spelling of 223012321013 in words is "two hundred twenty-three billion, twelve million, three hundred twenty-one thousand, thirteen".