123222431113 has 4 divisors (see below), whose sum is σ = 123229744020. Its totient is φ = 123215118208.

The previous prime is 123222431107. The next prime is 123222431131. The reversal of 123222431113 is 311134222321.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10146935824 + 113075495289 = 100732^2 + 336267^2 .

It is a cyclic number.

It is not a de Polignac number, because 123222431113 - 2²⁹ = 122685560201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123222431513) 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, 3631120 + ... + 3664897.

It is an arithmetic number, because the mean of its divisors is an integer number (30807436005).

Almost surely, 2^123222431113 is an apocalyptic number.

It is an amenable number.

123222431113 is a deficient number, since it is larger than the sum of its proper divisors (7312907).

123222431113 is an equidigital number, since it uses as much as digits as its factorization.

123222431113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7312906.

The product of its digits is 1728, while the sum is 25.

Adding to 123222431113 its reverse (311134222321), we get a palindrome (434356653434).

The spelling of 123222431113 in words is "one hundred twenty-three billion, two hundred twenty-two million, four hundred thirty-one thousand, one hundred thirteen".