1323232113 has 24 divisors (see below), whose sum is σ = 2141598528. Its totient is φ = 723255456.

The previous prime is 1323232087. The next prime is 1323232123. The reversal of 1323232113 is 3112323231.

It is not a de Polignac number, because 1323232113 - 2⁵ = 1323232081 is a prime.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1323232113.

It is not an unprimeable number, because it can be changed into a prime (1323232123) 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, 192306 + ... + 199067.

It is an arithmetic number, because the mean of its divisors is an integer number (89233272).

Almost surely, 2^1323232113 is an apocalyptic number.

It is an amenable number.

1323232113 is a deficient number, since it is larger than the sum of its proper divisors (818366415).

1323232113 is a wasteful number, since it uses less digits than its factorization.

1323232113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391413 (or 391406 counting only the distinct ones).

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

The square root of 1323232113 is about 36376.2575452726. The cubic root of 1323232113 is about 1097.8559097385.

Adding to 1323232113 its reverse (3112323231), we get a palindrome (4435555344).

The spelling of 1323232113 in words is "one billion, three hundred twenty-three million, two hundred thirty-two thousand, one hundred thirteen".