1320112343 has 16 divisors (see below), whose sum is σ = 1517840640. Its totient is φ = 1135497600.

The previous prime is 1320112333. The next prime is 1320112397. The reversal of 1320112343 is 3432110231.

It is a cyclic number.

It is not a de Polignac number, because 1320112343 - 2⁴ = 1320112327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320112333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 181823 + ... + 188943.

It is an arithmetic number, because the mean of its divisors is an integer number (94865040).

Almost surely, 2^1320112343 is an apocalyptic number.

1320112343 is a deficient number, since it is larger than the sum of its proper divisors (197728297).

1320112343 is a wasteful number, since it uses less digits than its factorization.

1320112343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8038.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 1320112343 is about 36333.3502859288. The cubic root of 1320112343 is about 1096.9924297867.

Adding to 1320112343 its reverse (3432110231), we get a palindrome (4752222574).

The spelling of 1320112343 in words is "one billion, three hundred twenty million, one hundred twelve thousand, three hundred forty-three".