223011232013 has 2 divisors, whose sum is σ = 223011232014. Its totient is φ = 223011232012.

The previous prime is 223011231991. The next prime is 223011232019. The reversal of 223011232013 is 310232110322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 191062529449 + 31948702564 = 437107^2 + 178742^2 .

It is a cyclic number.

It is not a de Polignac number, because 223011232013 - 2⁸ = 223011231757 is a prime.

It is a super-2 number, since 2×223011232013² (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 (223011232019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111505616006 + 111505616007.

It is an arithmetic number, because the mean of its divisors is an integer number (111505616007).

Almost surely, 2^223011232013 is an apocalyptic number.

It is an amenable number.

223011232013 is a deficient number, since it is larger than the sum of its proper divisors (1).

223011232013 is an equidigital number, since it uses as much as digits as its factorization.

223011232013 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 223011232013 its reverse (310232110322), we get a palindrome (533243342335).

The spelling of 223011232013 in words is "two hundred twenty-three billion, eleven million, two hundred thirty-two thousand, thirteen".