123322220123 has 16 divisors (see below), whose sum is σ = 128906007552. Its totient is φ = 117840396000.

The previous prime is 123322220089. The next prime is 123322220171. The reversal of 123322220123 is 321022223321.

It is a cyclic number.

It is not a de Polignac number, because 123322220123 - 2¹² = 123322216027 is a prime.

It is a super-2 number, since 2×123322220123² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123322220183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4956053 + ... + 4980873.

It is an arithmetic number, because the mean of its divisors is an integer number (8056625472).

Almost surely, 2^123322220123 is an apocalyptic number.

123322220123 is a deficient number, since it is larger than the sum of its proper divisors (5583787429).

123322220123 is a wasteful number, since it uses less digits than its factorization.

123322220123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26866.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 123322220123 its reverse (321022223321), we get a palindrome (444344443444).

The spelling of 123322220123 in words is "one hundred twenty-three billion, three hundred twenty-two million, two hundred twenty thousand, one hundred twenty-three".