1113233111123 has 16 divisors (see below), whose sum is σ = 1291488161280. Its totient is φ = 939788631936.

The previous prime is 1113233111083. The next prime is 1113233111131. The reversal of 1113233111123 is 3211113323111.

It is a de Polignac number, because none of the positive numbers 2^k-1113233111123 is a prime.

It is a super-2 number, since 2×1113233111123² (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 (1113233111153) 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 15 ways as a sum of consecutive naturals, for example, 2426123 + ... + 2848251.

It is an arithmetic number, because the mean of its divisors is an integer number (80718010080).

Almost surely, 2^{1113233111123} is an apocalyptic number.

1113233111123 is a deficient number, since it is larger than the sum of its proper divisors (178255050157).

1113233111123 is an equidigital number, since it uses as much as digits as its factorization.

1113233111123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427826.

The product of its digits is 324, while the sum is 23.

Adding to 1113233111123 its reverse (3211113323111), we get a palindrome (4324346434234).

The spelling of 1113233111123 in words is "one trillion, one hundred thirteen billion, two hundred thirty-three million, one hundred eleven thousand, one hundred twenty-three".