1233243113 has 4 divisors (see below), whose sum is σ = 1244557380. Its totient is φ = 1221928848.

The previous prime is 1233243101. The next prime is 1233243131. The reversal of 1233243113 is 3113423321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3113423321 = 2447 ⋅1272343.

It can be written as a sum of positive squares in 2 ways, for example, as 420537049 + 812706064 = 20507^2 + 28508^2 .

It is a cyclic number.

It is not a de Polignac number, because 1233243113 - 2²² = 1229048809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1233243163) 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, 5656970 + ... + 5657187.

It is an arithmetic number, because the mean of its divisors is an integer number (311139345).

Almost surely, 2^1233243113 is an apocalyptic number.

It is an amenable number.

1233243113 is a deficient number, since it is larger than the sum of its proper divisors (11314267).

1233243113 is a wasteful number, since it uses less digits than its factorization.

1233243113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11314266.

The product of its digits is 1296, while the sum is 23.

The square root of 1233243113 is about 35117.5613190893. The cubic root of 1233243113 is about 1072.3821248659.

Adding to 1233243113 its reverse (3113423321), we get a palindrome (4346666434).

The spelling of 1233243113 in words is "one billion, two hundred thirty-three million, two hundred forty-three thousand, one hundred thirteen".