1113233123 has 4 divisors (see below), whose sum is σ = 1171824360. Its totient is φ = 1054641888.

The previous prime is 1113233119. The next prime is 1113233129. The reversal of 1113233123 is 3213323111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3213323111 = 19 ⋅169122269.

It is a cyclic number.

It is not a de Polignac number, because 1113233123 - 2² = 1113233119 is a prime.

It is a super-2 number, since 2×1113233123² = 2478575972288666258, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1113233095 and 1113233104.

It is not an unprimeable number, because it can be changed into a prime (1113233129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29295590 + ... + 29295627.

It is an arithmetic number, because the mean of its divisors is an integer number (292956090).

Almost surely, 2^1113233123 is an apocalyptic number.

1113233123 is a deficient number, since it is larger than the sum of its proper divisors (58591237).

1113233123 is an equidigital number, since it uses as much as digits as its factorization.

1113233123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58591236.

The product of its digits is 324, while the sum is 20.

The square root of 1113233123 is about 33365.1483287577. The cubic root of 1113233123 is about 1036.4031077781.

Adding to 1113233123 its reverse (3213323111), we get a palindrome (4326556234).

The spelling of 1113233123 in words is "one billion, one hundred thirteen million, two hundred thirty-three thousand, one hundred twenty-three".