1112320343 has 4 divisors (see below), whose sum is σ = 1114196688. Its totient is φ = 1110444000.

The previous prime is 1112320337. The next prime is 1112320357. The reversal of 1112320343 is 3430232111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3430232111 = 577 ⋅5944943.

It is a cyclic number.

It is not a de Polignac number, because 1112320343 - 2¹⁰ = 1112319319 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 (1112320303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 937283 + ... + 938468.

It is an arithmetic number, because the mean of its divisors is an integer number (278549172).

Almost surely, 2^1112320343 is an apocalyptic number.

1112320343 is a deficient number, since it is larger than the sum of its proper divisors (1876345).

1112320343 is an equidigital number, since it uses as much as digits as its factorization.

1112320343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1876344.

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

The square root of 1112320343 is about 33351.4668792843. The cubic root of 1112320343 is about 1036.1197688911.

Adding to 1112320343 its reverse (3430232111), we get a palindrome (4542552454).

The spelling of 1112320343 in words is "one billion, one hundred twelve million, three hundred twenty thousand, three hundred forty-three".