111233222123 has 2 divisors, whose sum is σ = 111233222124. Its totient is φ = 111233222122.

The previous prime is 111233222119. The next prime is 111233222141. The reversal of 111233222123 is 321222332111.

It is a weak prime.

It is an emirp because it is prime and its reverse (321222332111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 111233222123 - 2² = 111233222119 is a prime.

It is not a weakly prime, because it can be changed into another prime (111233222143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55616611061 + 55616611062.

It is an arithmetic number, because the mean of its divisors is an integer number (55616611062).

Almost surely, 2^111233222123 is an apocalyptic number.

111233222123 is a deficient number, since it is larger than the sum of its proper divisors (1).

111233222123 is an equidigital number, since it uses as much as digits as its factorization.

111233222123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 864, while the sum is 23.

Adding to 111233222123 its reverse (321222332111), we get a palindrome (432455554234).

The spelling of 111233222123 in words is "one hundred eleven billion, two hundred thirty-three million, two hundred twenty-two thousand, one hundred twenty-three".