1232456163 has 4 divisors (see below), whose sum is σ = 1643274888. Its totient is φ = 821637440.

The previous prime is 1232456161. The next prime is 1232456171. The reversal of 1232456163 is 3616542321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1232456163 - 2¹ = 1232456161 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1232456161) 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 in 3 ways as a sum of consecutive naturals, for example, 205409358 + ... + 205409363.

It is an arithmetic number, because the mean of its divisors is an integer number (410818722).

Almost surely, 2^1232456163 is an apocalyptic number.

1232456163 is a deficient number, since it is larger than the sum of its proper divisors (410818725).

1232456163 is an equidigital number, since it uses as much as digits as its factorization.

1232456163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410818724.

The product of its digits is 25920, while the sum is 33.

The square root of 1232456163 is about 35106.3550229869. The cubic root of 1232456163 is about 1072.1539755600.

Adding to 1232456163 its reverse (3616542321), we get a palindrome (4848998484).

The spelling of 1232456163 in words is "one billion, two hundred thirty-two million, four hundred fifty-six thousand, one hundred sixty-three".