1143737023 has 16 divisors (see below), whose sum is σ = 1347494400. Its totient is φ = 957062880.

The previous prime is 1143737011. The next prime is 1143737039. The reversal of 1143737023 is 3207373411.

It is a cyclic number.

It is not a de Polignac number, because 1143737023 - 2¹⁷ = 1143605951 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 (1143737423) 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, 40198 + ... + 62476.

It is an arithmetic number, because the mean of its divisors is an integer number (84218400).

Almost surely, 2^1143737023 is an apocalyptic number.

1143737023 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1143737023 is a deficient number, since it is larger than the sum of its proper divisors (203757377).

1143737023 is a wasteful number, since it uses less digits than its factorization.

1143737023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22662.

The product of its (nonzero) digits is 10584, while the sum is 31.

The square root of 1143737023 is about 33819.1812881388. The cubic root of 1143737023 is about 1045.7841608573.

The spelling of 1143737023 in words is "one billion, one hundred forty-three million, seven hundred thirty-seven thousand, twenty-three".