1113240223 has 4 divisors (see below), whose sum is σ = 1178724960. Its totient is φ = 1047755488.

The previous prime is 1113240211. The next prime is 1113240263. The reversal of 1113240223 is 3220423111.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3220423111 = 163 ⋅19757197.

It is a cyclic number.

It is not a de Polignac number, because 1113240223 - 2²¹ = 1111143071 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1113240223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113240263) 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, 32742343 + ... + 32742376.

It is an arithmetic number, because the mean of its divisors is an integer number (294681240).

Almost surely, 2^1113240223 is an apocalyptic number.

1113240223 is a deficient number, since it is larger than the sum of its proper divisors (65484737).

1113240223 is an equidigital number, since it uses as much as digits as its factorization.

1113240223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65484736.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1113240223 is about 33365.2547270360. The cubic root of 1113240223 is about 1036.4053111041.

Adding to 1113240223 its reverse (3220423111), we get a palindrome (4333663334).

The spelling of 1113240223 in words is "one billion, one hundred thirteen million, two hundred forty thousand, two hundred twenty-three".