222403123123 has 2 divisors, whose sum is σ = 222403123124. Its totient is φ = 222403123122.

The previous prime is 222403123091. The next prime is 222403123139. The reversal of 222403123123 is 321321304222.

222403123123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 222403123123 - 2⁵ = 222403123091 is a prime.

It is not a weakly prime, because it can be changed into another prime (222403120123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111201561561 + 111201561562.

It is an arithmetic number, because the mean of its divisors is an integer number (111201561562).

Almost surely, 2^222403123123 is an apocalyptic number.

222403123123 is a deficient number, since it is larger than the sum of its proper divisors (1).

222403123123 is an equidigital number, since it uses as much as digits as its factorization.

222403123123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 222403123123 its reverse (321321304222), we get a palindrome (543724427345).

The spelling of 222403123123 in words is "two hundred twenty-two billion, four hundred three million, one hundred twenty-three thousand, one hundred twenty-three".