1233412231 has 2 divisors, whose sum is σ = 1233412232. Its totient is φ = 1233412230.

The previous prime is 1233412223. The next prime is 1233412247. The reversal of 1233412231 is 1322143321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1233412231 - 2³ = 1233412223 is a prime.

It is a super-2 number, since 2×1233412231² = 3042611463160794722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1233412931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 616706115 + 616706116.

It is an arithmetic number, because the mean of its divisors is an integer number (616706116).

Almost surely, 2^1233412231 is an apocalyptic number.

1233412231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1233412231 is an equidigital number, since it uses as much as digits as its factorization.

1233412231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 864, while the sum is 22.

The square root of 1233412231 is about 35119.9691201459. The cubic root of 1233412231 is about 1072.4311421897.

Adding to 1233412231 its reverse (1322143321), we get a palindrome (2555555552).

The spelling of 1233412231 in words is "one billion, two hundred thirty-three million, four hundred twelve thousand, two hundred thirty-one".