1113421233 has 8 divisors (see below), whose sum is σ = 1486005696. Its totient is φ = 741558800.

The previous prime is 1113421217. The next prime is 1113421241. The reversal of 1113421233 is 3321243111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1113421233 - 2⁴ = 1113421217 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1113421633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 176898 + ... + 183083.

It is an arithmetic number, because the mean of its divisors is an integer number (185750712).

Almost surely, 2^1113421233 is an apocalyptic number.

It is an amenable number.

1113421233 is a deficient number, since it is larger than the sum of its proper divisors (372584463).

1113421233 is a wasteful number, since it uses less digits than its factorization.

1113421233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361015.

The product of its digits is 432, while the sum is 21.

The square root of 1113421233 is about 33367.9671691279. The cubic root of 1113421233 is about 1036.4614803401.

Adding to 1113421233 its reverse (3321243111), we get a palindrome (4434664344).

It can be divided in two parts, 111342 and 1233, that added together give a triangular number (112575 = T₄₇₄).

The spelling of 1113421233 in words is "one billion, one hundred thirteen million, four hundred twenty-one thousand, two hundred thirty-three".