1143241423999 has 4 divisors (see below), whose sum is σ = 1167565709664. Its totient is φ = 1118917138336.

The previous prime is 1143241423967. The next prime is 1143241424047. The reversal of 1143241423999 is 9993241423411.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1143241423999 - 2⁵ = 1143241423967 is a prime.

It is a super-2 number, since 2×1143241423999² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1143241421999) 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, 12162142762 + ... + 12162142855.

It is an arithmetic number, because the mean of its divisors is an integer number (291891427416).

Almost surely, 2^{1143241423999} is an apocalyptic number.

1143241423999 is a deficient number, since it is larger than the sum of its proper divisors (24324285665).

1143241423999 is an equidigital number, since it uses as much as digits as its factorization.

1143241423999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24324285664.

The product of its digits is 1679616, while the sum is 52.

The spelling of 1143241423999 in words is "one trillion, one hundred forty-three billion, two hundred forty-one million, four hundred twenty-three thousand, nine hundred ninety-nine".