3123143234105 has 4 divisors (see below), whose sum is σ = 3747771880932. Its totient is φ = 2498514587280.

The previous prime is 3123143234069. The next prime is 3123143234111. The reversal of 3123143234105 is 5014323413213.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2097016779664 + 1026126454441 = 1448108^2 + 1012979^2 .

It is not a de Polignac number, because 3123143234105 - 2⁶ = 3123143234041 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 312314323406 + ... + 312314323415.

It is an arithmetic number, because the mean of its divisors is an integer number (936942970233).

Almost surely, 2^{3123143234105} is an apocalyptic number.

It is an amenable number.

3123143234105 is a deficient number, since it is larger than the sum of its proper divisors (624628646827).

3123143234105 is an equidigital number, since it uses as much as digits as its factorization.

3123143234105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 624628646826.

The product of its (nonzero) digits is 25920, while the sum is 32.

Adding to 3123143234105 its reverse (5014323413213), we get a palindrome (8137466647318).

The spelling of 3123143234105 in words is "three trillion, one hundred twenty-three billion, one hundred forty-three million, two hundred thirty-four thousand, one hundred five".