1143045023 has 16 divisors (see below), whose sum is σ = 1184584896. Its totient is φ = 1102429440.

The previous prime is 1143045017. The next prime is 1143045037. The reversal of 1143045023 is 3205403411.

It is a cyclic number.

It is not a de Polignac number, because 1143045023 - 2⁸ = 1143044767 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1143045023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1143045523) 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, 876590 + ... + 877892.

It is an arithmetic number, because the mean of its divisors is an integer number (74036556).

Almost surely, 2^1143045023 is an apocalyptic number.

1143045023 is a deficient number, since it is larger than the sum of its proper divisors (41539873).

1143045023 is a wasteful number, since it uses less digits than its factorization.

1143045023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1634.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 1143045023 is about 33808.9488597324. The cubic root of 1143045023 is about 1045.5732065835.

Adding to 1143045023 its reverse (3205403411), we get a palindrome (4348448434).

The spelling of 1143045023 in words is "one billion, one hundred forty-three million, forty-five thousand, twenty-three".