123101031221303 has 16 divisors (see below), whose sum is σ = 125862899798016. Its totient is φ = 120345118333440.

The previous prime is 123101031221291. The next prime is 123101031221369. The reversal of 123101031221303 is 303122130101321.

It is a cyclic number.

It is not a de Polignac number, because 123101031221303 - 2²⁰ = 123101030172727 is a prime.

It is a super-2 number, since 2×123101031221303² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123101031229303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2255272550 + ... + 2255327132.

It is an arithmetic number, because the mean of its divisors is an integer number (7866431237376).

Almost surely, 2^{123101031221303} is an apocalyptic number.

123101031221303 is a deficient number, since it is larger than the sum of its proper divisors (2761868576713).

123101031221303 is an equidigital number, since it uses as much as digits as its factorization.

123101031221303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108214.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 123101031221303 its reverse (303122130101321), we get a palindrome (426223161322624).

The spelling of 123101031221303 in words is "one hundred twenty-three trillion, one hundred one billion, thirty-one million, two hundred twenty-one thousand, three hundred three".