1120043023 has 16 divisors (see below), whose sum is σ = 1232824320. Its totient is φ = 1009130400.

The previous prime is 1120043009. The next prime is 1120043063. The reversal of 1120043023 is 3203400211.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1120043023 - 2⁵ = 1120042991 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1120042988 and 1120043006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120043003) 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, 713986 + ... + 715552.

It is an arithmetic number, because the mean of its divisors is an integer number (77051520).

Almost surely, 2^1120043023 is an apocalyptic number.

1120043023 is a deficient number, since it is larger than the sum of its proper divisors (112781297).

1120043023 is a wasteful number, since it uses less digits than its factorization.

1120043023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2118.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1120043023 is about 33467.0438341961. The cubic root of 1120043023 is about 1038.5121176210.

Adding to 1120043023 its reverse (3203400211), we get a palindrome (4323443234).

The spelling of 1120043023 in words is "one billion, one hundred twenty million, forty-three thousand, twenty-three".