123222203321123 has 4 divisors (see below), whose sum is σ = 125310715241880. Its totient is φ = 121133691400368.

The previous prime is 123222203321117. The next prime is 123222203321141. The reversal of 123222203321123 is 321123302222321.

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 123222203321123 - 2¹⁸ = 123222203058979 is a prime.

It is a super-2 number, since 2×123222203321123² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123222203321023) 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, 1044255960290 + ... + 1044255960407.

It is an arithmetic number, because the mean of its divisors is an integer number (31327678810470).

Almost surely, 2^{123222203321123} is an apocalyptic number.

123222203321123 is a deficient number, since it is larger than the sum of its proper divisors (2088511920757).

123222203321123 is an equidigital number, since it uses as much as digits as its factorization.

123222203321123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2088511920756.

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 123222203321123 its reverse (321123302222321), we get a palindrome (444345505543444).

The spelling of 123222203321123 in words is "one hundred twenty-three trillion, two hundred twenty-two billion, two hundred three million, three hundred twenty-one thousand, one hundred twenty-three".