1023234431999 has 16 divisors (see below), whose sum is σ = 1141485727200. Its totient is φ = 910720008576.

The previous prime is 1023234431911. The next prime is 1023234432007. The reversal of 1023234431999 is 9991344323201.

It is a cyclic number.

It is not a de Polignac number, because 1023234431999 - 2¹⁶ = 1023234366463 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023234431099) 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, 1557764 + ... + 2114969.

It is an arithmetic number, because the mean of its divisors is an integer number (71342857950).

Almost surely, 2^{1023234431999} is an apocalyptic number.

1023234431999 is a deficient number, since it is larger than the sum of its proper divisors (118251295201).

1023234431999 is a wasteful number, since it uses less digits than its factorization.

1023234431999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3673514.

The product of its (nonzero) digits is 1259712, while the sum is 50.

The spelling of 1023234431999 in words is "one trillion, twenty-three billion, two hundred thirty-four million, four hundred thirty-one thousand, nine hundred ninety-nine".