111223123297 has 32 divisors (see below), whose sum is σ = 137169285120. Its totient is φ = 88792200000.

The previous prime is 111223123217. The next prime is 111223123313. The reversal of 111223123297 is 792321322111.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111223123297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111223123217) 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 in 31 ways as a sum of consecutive naturals, for example, 48922 + ... + 474172.

It is an arithmetic number, because the mean of its divisors is an integer number (4286540160).

Almost surely, 2^111223123297 is an apocalyptic number.

It is an amenable number.

111223123297 is a deficient number, since it is larger than the sum of its proper divisors (25946161823).

111223123297 is a wasteful number, since it uses less digits than its factorization.

111223123297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425365.

The product of its digits is 9072, while the sum is 34.

The spelling of 111223123297 in words is "one hundred eleven billion, two hundred twenty-three million, one hundred twenty-three thousand, two hundred ninety-seven".