1232009263 has 2 divisors, whose sum is σ = 1232009264. Its totient is φ = 1232009262.

The previous prime is 1232009249. The next prime is 1232009309. The reversal of 1232009263 is 3629002321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1232009263 - 2²¹ = 1229912111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1232009213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 616004631 + 616004632.

It is an arithmetic number, because the mean of its divisors is an integer number (616004632).

Almost surely, 2^1232009263 is an apocalyptic number.

1232009263 is a deficient number, since it is larger than the sum of its proper divisors (1).

1232009263 is an equidigital number, since it uses as much as digits as its factorization.

1232009263 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 1232009263 is about 35099.9895014229. The cubic root of 1232009263 is about 1072.0243689117.

The spelling of 1232009263 in words is "one billion, two hundred thirty-two million, nine thousand, two hundred sixty-three".