1232662643 has 2 divisors, whose sum is σ = 1232662644. Its totient is φ = 1232662642.

The previous prime is 1232662619. The next prime is 1232662649. The reversal of 1232662643 is 3462662321.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1232662643 is a prime.

It is not a weakly prime, because it can be changed into another prime (1232662649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 616331321 + 616331322.

It is an arithmetic number, because the mean of its divisors is an integer number (616331322).

Almost surely, 2^1232662643 is an apocalyptic number.

1232662643 is a deficient number, since it is larger than the sum of its proper divisors (1).

1232662643 is an equidigital number, since it uses as much as digits as its factorization.

1232662643 is an evil number, because the sum of its binary digits is even.

The product of its digits is 62208, while the sum is 35.

The square root of 1232662643 is about 35109.2956779255. The cubic root of 1232662643 is about 1072.2138467878.

The spelling of 1232662643 in words is "one billion, two hundred thirty-two million, six hundred sixty-two thousand, six hundred forty-three".