1120043923 has 4 divisors (see below), whose sum is σ = 1122289000. Its totient is φ = 1117798848.

The previous prime is 1120043917. The next prime is 1120043933. The reversal of 1120043923 is 3293400211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3293400211 = 1663 ⋅1980397.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1120043923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1120043933) 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, 1121790 + ... + 1122787.

It is an arithmetic number, because the mean of its divisors is an integer number (280572250).

Almost surely, 2^1120043923 is an apocalyptic number.

1120043923 is a deficient number, since it is larger than the sum of its proper divisors (2245077).

1120043923 is an equidigital number, since it uses as much as digits as its factorization.

1120043923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2245076.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 1120043923 is about 33467.0572802570. The cubic root of 1120043923 is about 1038.5123957831.

The spelling of 1120043923 in words is "one billion, one hundred twenty million, forty-three thousand, nine hundred twenty-three".