1223113113 has 24 divisors (see below), whose sum is σ = 1886419392. Its totient is φ = 761812128.

The previous prime is 1223113109. The next prime is 1223113147. The reversal of 1223113113 is 3113113221.

It is not a de Polignac number, because 1223113113 - 2² = 1223113109 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1223113513) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 59806 + ... + 77607.

It is an arithmetic number, because the mean of its divisors is an integer number (78600808).

Almost surely, 2^1223113113 is an apocalyptic number.

It is an amenable number.

1223113113 is a deficient number, since it is larger than the sum of its proper divisors (663306279).

1223113113 is a wasteful number, since it uses less digits than its factorization.

1223113113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137485 (or 137482 counting only the distinct ones).

The product of its digits is 108, while the sum is 18.

The square root of 1223113113 is about 34973.0340834192. The cubic root of 1223113113 is about 1069.4378253379.

Adding to 1223113113 its product of digits (108), we get a palindrome (1223113221).

Adding to 1223113113 its reverse (3113113221), we get a palindrome (4336226334).

The spelling of 1223113113 in words is "one billion, two hundred twenty-three million, one hundred thirteen thousand, one hundred thirteen".