3123120111003 has 6 divisors (see below), whose sum is σ = 4511173493684. Its totient is φ = 2082080073996.

The previous prime is 3123120110959. The next prime is 3123120111029. The reversal of 3123120111003 is 3001110213213.

It is not a de Polignac number, because 3123120111003 - 2¹² = 3123120106907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3123120111043) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 173506672825 + ... + 173506672842.

Almost surely, 2^{3123120111003} is an apocalyptic number.

3123120111003 is a deficient number, since it is larger than the sum of its proper divisors (1388053382681).

3123120111003 is a wasteful number, since it uses less digits than its factorization.

3123120111003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347013345673 (or 347013345670 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 3123120111003 its reverse (3001110213213), we get a palindrome (6124230324216).

The spelling of 3123120111003 in words is "three trillion, one hundred twenty-three billion, one hundred twenty million, one hundred eleven thousand, three".