4043323011 has 16 divisors (see below), whose sum is σ = 6635197184. Its totient is φ = 2132741664.

The previous prime is 4043323007. The next prime is 4043323013. The reversal of 4043323011 is 1103233404.

It is not a de Polignac number, because 4043323011 - 2² = 4043323007 is a prime.

It is a super-2 number, since 2×4043323011² = 32696921942564212242, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (4043323013) 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, 7405081 + ... + 7405626.

It is an arithmetic number, because the mean of its divisors is an integer number (414699824).

Almost surely, 2^4043323011 is an apocalyptic number.

4043323011 is a deficient number, since it is larger than the sum of its proper divisors (2591874173).

4043323011 is a wasteful number, since it uses less digits than its factorization.

4043323011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14810730.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 4043323011 is about 63587.1292873015. The cubic root of 4043323011 is about 1593.1114016280. Note that the first 3 decimals are identical.

Adding to 4043323011 its reverse (1103233404), we get a palindrome (5146556415).

The spelling of 4043323011 in words is "four billion, forty-three million, three hundred twenty-three thousand, eleven".