1232506643 has 2 divisors, whose sum is σ = 1232506644. Its totient is φ = 1232506642.

The previous prime is 1232506633. The next prime is 1232506657. The reversal of 1232506643 is 3466052321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1232506643 - 2¹² = 1232502547 is a prime.

It is not a weakly prime, because it can be changed into another prime (1232506603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 616253321 + 616253322.

It is an arithmetic number, because the mean of its divisors is an integer number (616253322).

Almost surely, 2^1232506643 is an apocalyptic number.

1232506643 is a deficient number, since it is larger than the sum of its proper divisors (1).

1232506643 is an equidigital number, since it uses as much as digits as its factorization.

1232506643 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 32.

The square root of 1232506643 is about 35107.0739737734. The cubic root of 1232506643 is about 1072.1686134285.

Adding to 1232506643 its reverse (3466052321), we get a palindrome (4698558964).

The spelling of 1232506643 in words is "one billion, two hundred thirty-two million, five hundred six thousand, six hundred forty-three".