2123313000999 has 16 divisors (see below), whose sum is σ = 2835331559424. Its totient is φ = 1413418860000.

The previous prime is 2123313000997. The next prime is 2123313001013. The reversal of 2123313000999 is 9990003133212.

It is a happy number.

It is not a de Polignac number, because 2123313000999 - 2¹ = 2123313000997 is a prime.

It is a super-2 number, since 2×2123313000999² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2123313000999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2123313000997) 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, 13831434 + ... + 13984104.

It is an arithmetic number, because the mean of its divisors is an integer number (177208222464).

Almost surely, 2^{2123313000999} is an apocalyptic number.

2123313000999 is a deficient number, since it is larger than the sum of its proper divisors (712018558425).

2123313000999 is a wasteful number, since it uses less digits than its factorization.

2123313000999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159598.

The product of its (nonzero) digits is 78732, while the sum is 42.

The spelling of 2123313000999 in words is "two trillion, one hundred twenty-three billion, three hundred thirteen million, nine hundred ninety-nine", and thus it is an aban number.