1123412342999 has 16 divisors (see below), whose sum is σ = 1234366682880. Its totient is φ = 1017671688000.

The previous prime is 1123412342989. The next prime is 1123412343023. The reversal of 1123412342999 is 9992432143211.

It is a cyclic number.

It is not a de Polignac number, because 1123412342999 - 2²⁴ = 1123395565783 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123412342929) 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, 883124 + ... + 1739750.

It is an arithmetic number, because the mean of its divisors is an integer number (77147917680).

Almost surely, 2^{1123412342999} is an apocalyptic number.

1123412342999 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1123412342999 is a deficient number, since it is larger than the sum of its proper divisors (110954339881).

1123412342999 is a wasteful number, since it uses less digits than its factorization.

1123412342999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 859670.

The product of its digits is 839808, while the sum is 50.

The spelling of 1123412342999 in words is "one trillion, one hundred twenty-three billion, four hundred twelve million, three hundred forty-two thousand, nine hundred ninety-nine".