123222330031 has 4 divisors (see below), whose sum is σ = 123232239064. Its totient is φ = 123212421000.

The previous prime is 123222329987. The next prime is 123222330043. The reversal of 123222330031 is 130033222321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 130033222321 = 67 ⋅1940794363.

It is a cyclic number.

It is not a de Polignac number, because 123222330031 - 2⁹ = 123222329519 is a prime.

It is a super-2 number, since 2×123222330031² (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 = 123222329984 and 123222330011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123222330061) 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, 4935840 + ... + 4960741.

It is an arithmetic number, because the mean of its divisors is an integer number (30808059766).

Almost surely, 2^123222330031 is an apocalyptic number.

123222330031 is a deficient number, since it is larger than the sum of its proper divisors (9909033).

123222330031 is an equidigital number, since it uses as much as digits as its factorization.

123222330031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9909032.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 123222330031 its reverse (130033222321), we get a palindrome (253255552352).

The spelling of 123222330031 in words is "one hundred twenty-three billion, two hundred twenty-two million, three hundred thirty thousand, thirty-one".