2013120233 has 4 divisors (see below), whose sum is σ = 2021760468. Its totient is φ = 2004480000.

The previous prime is 2013120227. The next prime is 2013120251. The reversal of 2013120233 is 3320213102.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 236329129 + 1776791104 = 15373^2 + 42152^2 .

It is a cyclic number.

It is not a de Polignac number, because 2013120233 - 2¹⁴ = 2013103849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2013120203) 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, 4319768 + ... + 4320233.

It is an arithmetic number, because the mean of its divisors is an integer number (505440117).

Almost surely, 2^2013120233 is an apocalyptic number.

It is an amenable number.

2013120233 is a deficient number, since it is larger than the sum of its proper divisors (8640235).

2013120233 is an equidigital number, since it uses as much as digits as its factorization.

2013120233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8640234.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 2013120233 is about 44867.8084265323. The cubic root of 2013120233 is about 1262.6701235047.

Adding to 2013120233 its reverse (3320213102), we get a palindrome (5333333335).

The spelling of 2013120233 in words is "two billion, thirteen million, one hundred twenty thousand, two hundred thirty-three".