1113144431123 has 16 divisors (see below), whose sum is σ = 1143041556480. Its totient is φ = 1083652105536.

The previous prime is 1113144431071. The next prime is 1113144431159. The reversal of 1113144431123 is 3211344413111.

It is a cyclic number.

It is not a de Polignac number, because 1113144431123 - 2³⁰ = 1112070689299 is a prime.

It is a super-2 number, since 2×1113144431123² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1113144436123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19042286 + ... + 19100652.

It is an arithmetic number, because the mean of its divisors is an integer number (71440097280).

Almost surely, 2^{1113144431123} is an apocalyptic number.

1113144431123 is a deficient number, since it is larger than the sum of its proper divisors (29897125357).

1113144431123 is an equidigital number, since it uses as much as digits as its factorization.

1113144431123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61826.

The product of its digits is 3456, while the sum is 29.

Adding to 1113144431123 its reverse (3211344413111), we get a palindrome (4324488844234).

The spelling of 1113144431123 in words is "one trillion, one hundred thirteen billion, one hundred forty-four million, four hundred thirty-one thousand, one hundred twenty-three".