2123113022999 has 16 divisors (see below), whose sum is σ = 2193393831552. Its totient is φ = 2054138731008.

The previous prime is 2123113022957. The next prime is 2123113023007. The reversal of 2123113022999 is 9992203113212.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2123113022999 - 2¹² = 2123113018903 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 (2123113022929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 280082 + ... + 2079584.

It is an arithmetic number, because the mean of its divisors is an integer number (137087114472).

Almost surely, 2^{2123113022999} is an apocalyptic number.

2123113022999 is a deficient number, since it is larger than the sum of its proper divisors (70280808553).

2123113022999 is a wasteful number, since it uses less digits than its factorization.

2123113022999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1799866.

The product of its (nonzero) digits is 104976, while the sum is 44.

The spelling of 2123113022999 in words is "two trillion, one hundred twenty-three billion, one hundred thirteen million, twenty-two thousand, nine hundred ninety-nine".