1163434233 has 16 divisors (see below), whose sum is σ = 1671316416. Its totient is φ = 715640640.

The previous prime is 1163434229. The next prime is 1163434241. The reversal of 1163434233 is 3324343611.

It is not a de Polignac number, because 1163434233 - 2² = 1163434229 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1163434233.

It is not an unprimeable number, because it can be changed into a prime (1163434333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106366 + ... + 116792.

It is an arithmetic number, because the mean of its divisors is an integer number (104457276).

Almost surely, 2^1163434233 is an apocalyptic number.

1163434233 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1163434233 is a deficient number, since it is larger than the sum of its proper divisors (507882183).

1163434233 is a wasteful number, since it uses less digits than its factorization.

1163434233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13304.

The product of its digits is 15552, while the sum is 30.

The square root of 1163434233 is about 34109.1517484677. The cubic root of 1163434233 is about 1051.7534520446.

Adding to 1163434233 its reverse (3324343611), we get a palindrome (4487777844).

The spelling of 1163434233 in words is "one billion, one hundred sixty-three million, four hundred thirty-four thousand, two hundred thirty-three".