111240115223 has 2 divisors, whose sum is σ = 111240115224. Its totient is φ = 111240115222.

The previous prime is 111240115201. The next prime is 111240115243. The reversal of 111240115223 is 322511042111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 111240115223 - 2¹⁰ = 111240114199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111240115243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55620057611 + 55620057612.

It is an arithmetic number, because the mean of its divisors is an integer number (55620057612).

Almost surely, 2^111240115223 is an apocalyptic number.

111240115223 is a deficient number, since it is larger than the sum of its proper divisors (1).

111240115223 is an equidigital number, since it uses as much as digits as its factorization.

111240115223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 480, while the sum is 23.

Adding to 111240115223 its reverse (322511042111), we get a palindrome (433751157334).

The spelling of 111240115223 in words is "one hundred eleven billion, two hundred forty million, one hundred fifteen thousand, two hundred twenty-three".