223123011113 has 2 divisors, whose sum is σ = 223123011114. Its totient is φ = 223123011112.

The previous prime is 223123011031. The next prime is 223123011229. The reversal of 223123011113 is 311110321322.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 156066872809 + 67056138304 = 395053^2 + 258952^2 .

It is a cyclic number.

It is not a de Polignac number, because 223123011113 - 2²⁰ = 223121962537 is a prime.

It is a super-3 number, since 3×223123011113³ (a number of 35 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (223123014113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111561505556 + 111561505557.

It is an arithmetic number, because the mean of its divisors is an integer number (111561505557).

Almost surely, 2^223123011113 is an apocalyptic number.

It is an amenable number.

223123011113 is a deficient number, since it is larger than the sum of its proper divisors (1).

223123011113 is an equidigital number, since it uses as much as digits as its factorization.

223123011113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 223123011113 its reverse (311110321322), we get a palindrome (534233332435).

The spelling of 223123011113 in words is "two hundred twenty-three billion, one hundred twenty-three million, eleven thousand, one hundred thirteen".