1232232313 has 4 divisors (see below), whose sum is σ = 1327019428. Its totient is φ = 1137445200.

The previous prime is 1232232311. The next prime is 1232232317. The reversal of 1232232313 is 3132322321.

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 334450944 + 897781369 = 18288^2 + 29963^2 .

It is a cyclic number.

It is not a de Polignac number, because 1232232313 - 2¹ = 1232232311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1232232311) 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, 47393538 + ... + 47393563.

It is an arithmetic number, because the mean of its divisors is an integer number (331754857).

Almost surely, 2^1232232313 is an apocalyptic number.

1232232313 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1232232313 is a deficient number, since it is larger than the sum of its proper divisors (94787115).

1232232313 is an equidigital number, since it uses as much as digits as its factorization.

1232232313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94787114.

The product of its digits is 1296, while the sum is 22.

The square root of 1232232313 is about 35103.1667090022. The cubic root of 1232232313 is about 1072.0890601479.

Adding to 1232232313 its reverse (3132322321), we get a palindrome (4364554634).

The spelling of 1232232313 in words is "one billion, two hundred thirty-two million, two hundred thirty-two thousand, three hundred thirteen".