3123231011999 has 8 divisors (see below), whose sum is σ = 3587343590400. Its totient is φ = 2663602613496.

The previous prime is 3123231011867. The next prime is 3123231012029. The reversal of 3123231011999 is 9991101323213.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3123231011999 - 2³⁶ = 3054511535263 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 (3123231011399) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1121043479 + ... + 1121046264.

It is an arithmetic number, because the mean of its divisors is an integer number (448417948800).

Almost surely, 2^{3123231011999} is an apocalyptic number.

3123231011999 is a deficient number, since it is larger than the sum of its proper divisors (464112578401).

3123231011999 is a wasteful number, since it uses less digits than its factorization.

3123231011999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2242089949.

The product of its (nonzero) digits is 78732, while the sum is 44.

The spelling of 3123231011999 in words is "three trillion, one hundred twenty-three billion, two hundred thirty-one million, eleven thousand, nine hundred ninety-nine".