123222104231 has 4 divisors (see below), whose sum is σ = 123764933112. Its totient is φ = 122679275352.

The previous prime is 123222104221. The next prime is 123222104251. The reversal of 123222104231 is 132401222321.

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 123222104231 - 2⁶ = 123222104167 is a prime.

It is a super-2 number, since 2×123222104231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123222104197 and 123222104206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123222104221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 271414100 + ... + 271414553.

It is an arithmetic number, because the mean of its divisors is an integer number (30941233278).

Almost surely, 2^123222104231 is an apocalyptic number.

123222104231 is a deficient number, since it is larger than the sum of its proper divisors (542828881).

123222104231 is an equidigital number, since it uses as much as digits as its factorization.

123222104231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 542828880.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 123222104231 its reverse (132401222321), we get a palindrome (255623326552).

The spelling of 123222104231 in words is "one hundred twenty-three billion, two hundred twenty-two million, one hundred four thousand, two hundred thirty-one".