111340440123 has 64 divisors (see below), whose sum is σ = 175360204800. Its totient is φ = 62154892800.

The previous prime is 111340440091. The next prime is 111340440139. The reversal of 111340440123 is 321044043111.

It is not a de Polignac number, because 111340440123 - 2⁵ = 111340440091 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 111340440093 and 111340440102.

It is not an unprimeable number, because it can be changed into a prime (111340440143) 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 63 ways as a sum of consecutive naturals, for example, 2293203 + ... + 2341251.

It is an arithmetic number, because the mean of its divisors is an integer number (2740003200).

Almost surely, 2^111340440123 is an apocalyptic number.

111340440123 is a deficient number, since it is larger than the sum of its proper divisors (64019764677).

111340440123 is a wasteful number, since it uses less digits than its factorization.

111340440123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48200.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 111340440123 its reverse (321044043111), we get a palindrome (432384483234).

The spelling of 111340440123 in words is "one hundred eleven billion, three hundred forty million, four hundred forty thousand, one hundred twenty-three".