3123112322123 has 4 divisors (see below), whose sum is σ = 3123122266968. Its totient is φ = 3123102377280.

The previous prime is 3123112322119. The next prime is 3123112322147. The reversal of 3123112322123 is 3212232113213.

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 3123112322123 - 2² = 3123112322119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3123112322092 and 3123112322101.

It is not an unprimeable number, because it can be changed into a prime (3123112322173) 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, 4485461 + ... + 5134742.

It is an arithmetic number, because the mean of its divisors is an integer number (780780566742).

Almost surely, 2^{3123112322123} is an apocalyptic number.

3123112322123 is a deficient number, since it is larger than the sum of its proper divisors (9944845).

3123112322123 is an equidigital number, since it uses as much as digits as its factorization.

3123112322123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9944844.

The product of its digits is 2592, while the sum is 26.

Adding to 3123112322123 its reverse (3212232113213), we get a palindrome (6335344435336).

The spelling of 3123112322123 in words is "three trillion, one hundred twenty-three billion, one hundred twelve million, three hundred twenty-two thousand, one hundred twenty-three".