22230031123 has 2 divisors, whose sum is σ = 22230031124. Its totient is φ = 22230031122.

The previous prime is 22230031091. The next prime is 22230031133. The reversal of 22230031123 is 32113003222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22230031123 - 2⁵ = 22230031091 is a prime.

It is a super-2 number, since 2×22230031123² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22230031123.

It is not a weakly prime, because it can be changed into another prime (22230031133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11115015561 + 11115015562.

It is an arithmetic number, because the mean of its divisors is an integer number (11115015562).

Almost surely, 2^22230031123 is an apocalyptic number.

22230031123 is a deficient number, since it is larger than the sum of its proper divisors (1).

22230031123 is an equidigital number, since it uses as much as digits as its factorization.

22230031123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 22230031123 its reverse (32113003222), we get a palindrome (54343034345).

The spelling of 22230031123 in words is "twenty-two billion, two hundred thirty million, thirty-one thousand, one hundred twenty-three".