1143712923839 has 16 divisors (see below), whose sum is σ = 1174513385760. Its totient is φ = 1113109361280.

The previous prime is 1143712923833. The next prime is 1143712923851. The reversal of 1143712923839 is 9383292173411.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1143712923839 - 2²⁰ = 1143711875263 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 (1143712923833) 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, 16642529 + ... + 16711109.

It is an arithmetic number, because the mean of its divisors is an integer number (73407086610).

Almost surely, 2^{1143712923839} is an apocalyptic number.

1143712923839 is a deficient number, since it is larger than the sum of its proper divisors (30800461921).

1143712923839 is an equidigital number, since it uses as much as digits as its factorization.

1143712923839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70010.

The product of its digits is 1959552, while the sum is 53.

The spelling of 1143712923839 in words is "one trillion, one hundred forty-three billion, seven hundred twelve million, nine hundred twenty-three thousand, eight hundred thirty-nine".