1123232313 has 24 divisors (see below), whose sum is σ = 1818206272. Its totient is φ = 604088064.

The previous prime is 1123232293. The next prime is 1123232333. The reversal of 1123232313 is 3132323211.

It is an interprime number because it is at equal distance from previous prime (1123232293) and next prime (1123232333).

It is not a de Polignac number, because 1123232313 - 2⁶ = 1123232249 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1123232313.

It is not an unprimeable number, because it can be changed into a prime (1123232333) 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, 86470 + ... + 98607.

Almost surely, 2^1123232313 is an apocalyptic number.

It is an amenable number.

1123232313 is a deficient number, since it is larger than the sum of its proper divisors (694973959).

1123232313 is a wasteful number, since it uses less digits than its factorization.

1123232313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185121 (or 185104 counting only the distinct ones).

The product of its digits is 648, while the sum is 21.

The square root of 1123232313 is about 33514.6581811601. The cubic root of 1123232313 is about 1039.4968945415.

Adding to 1123232313 its reverse (3132323211), we get a palindrome (4255555524).

The spelling of 1123232313 in words is "one billion, one hundred twenty-three million, two hundred thirty-two thousand, three hundred thirteen".