1163434043 has 4 divisors (see below), whose sum is σ = 1164172440. Its totient is φ = 1162695648.

The previous prime is 1163434021. The next prime is 1163434067. The reversal of 1163434043 is 3404343611.

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 1163434043 - 2⁸ = 1163433787 is a prime.

It is a super-2 number, since 2×1163434043² = 2707157544822651698, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1163433997 and 1163434015.

It is not an unprimeable number, because it can be changed into a prime (1163437043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 366830 + ... + 369987.

It is an arithmetic number, because the mean of its divisors is an integer number (291043110).

Almost surely, 2^1163434043 is an apocalyptic number.

1163434043 is a deficient number, since it is larger than the sum of its proper divisors (738397).

1163434043 is an equidigital number, since it uses as much as digits as its factorization.

1163434043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 738396.

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 1163434043 is about 34109.1489632914. The cubic root of 1163434043 is about 1051.7533947908.

Adding to 1163434043 its reverse (3404343611), we get a palindrome (4567777654).

The spelling of 1163434043 in words is "one billion, one hundred sixty-three million, four hundred thirty-four thousand, forty-three".