3123303112123 has 4 divisors (see below), whose sum is σ = 3123607924080. Its totient is φ = 3122998300168.

The previous prime is 3123303112103. The next prime is 3123303112129. The reversal of 3123303112123 is 3212113033213.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3123303112123 - 2²⁹ = 3122766241211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3123303112129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152390608 + ... + 152411101.

It is an arithmetic number, because the mean of its divisors is an integer number (780901981020).

Almost surely, 2^{3123303112123} is an apocalyptic number.

3123303112123 is a deficient number, since it is larger than the sum of its proper divisors (304811957).

3123303112123 is a wasteful number, since it uses less digits than its factorization.

3123303112123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304811956.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 3123303112123 its reverse (3212113033213), we get a palindrome (6335416145336).

The spelling of 3123303112123 in words is "three trillion, one hundred twenty-three billion, three hundred three million, one hundred twelve thousand, one hundred twenty-three".