1233231343 has 2 divisors, whose sum is σ = 1233231344. Its totient is φ = 1233231342.

The previous prime is 1233231313. The next prime is 1233231353. The reversal of 1233231343 is 3431323321.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1233231343 is a prime.

It is a super-3 number, since 3×1233231343³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1233231313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 616615671 + 616615672.

It is an arithmetic number, because the mean of its divisors is an integer number (616615672).

Almost surely, 2^1233231343 is an apocalyptic number.

1233231343 is a deficient number, since it is larger than the sum of its proper divisors (1).

1233231343 is an equidigital number, since it uses as much as digits as its factorization.

1233231343 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3888, while the sum is 25.

The square root of 1233231343 is about 35117.3937387159. The cubic root of 1233231343 is about 1072.3787132710.

Adding to 1233231343 its reverse (3431323321), we get a palindrome (4664554664).

The spelling of 1233231343 in words is "one billion, two hundred thirty-three million, two hundred thirty-one thousand, three hundred forty-three".