1113232123 has 4 divisors (see below), whose sum is σ = 1140384168. Its totient is φ = 1086080080.

The previous prime is 1113232093. The next prime is 1113232147. The reversal of 1113232123 is 3212323111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3212323111 = 17 ⋅188960183.

It is a cyclic number.

It is not a de Polignac number, because 1113232123 - 2⁵ = 1113232091 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1113232123.

It is not an unprimeable number, because it can be changed into a prime (1113232423) 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, 13575961 + ... + 13576042.

It is an arithmetic number, because the mean of its divisors is an integer number (285096042).

Almost surely, 2^1113232123 is an apocalyptic number.

1113232123 is a deficient number, since it is larger than the sum of its proper divisors (27152045).

1113232123 is an equidigital number, since it uses as much as digits as its factorization.

1113232123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27152044.

The product of its digits is 216, while the sum is 19.

The square root of 1113232123 is about 33365.1333430574. The cubic root of 1113232123 is about 1036.4027974497.

Adding to 1113232123 its reverse (3212323111), we get a palindrome (4325555234).

The spelling of 1113232123 in words is "one billion, one hundred thirteen million, two hundred thirty-two thousand, one hundred twenty-three".