222123112303 has 2 divisors, whose sum is σ = 222123112304. Its totient is φ = 222123112302.

The previous prime is 222123112291. The next prime is 222123112331. The reversal of 222123112303 is 303211321222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 222123112303 - 2¹³ = 222123104111 is a prime.

It is a super-2 number, since 2×222123112303² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222123112373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111061556151 + 111061556152.

It is an arithmetic number, because the mean of its divisors is an integer number (111061556152).

Almost surely, 2^222123112303 is an apocalyptic number.

222123112303 is a deficient number, since it is larger than the sum of its proper divisors (1).

222123112303 is an equidigital number, since it uses as much as digits as its factorization.

222123112303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 222123112303 its reverse (303211321222), we get a palindrome (525334433525).

The spelling of 222123112303 in words is "two hundred twenty-two billion, one hundred twenty-three million, one hundred twelve thousand, three hundred three".