4001111343 has 32 divisors (see below), whose sum is σ = 6094542080. Its totient is φ = 2592868320.

The previous prime is 4001111327. The next prime is 4001111369. The reversal of 4001111343 is 3431111004.

It is not a de Polignac number, because 4001111343 - 2⁴ = 4001111327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4001111383) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 236805 + ... + 253137.

It is an arithmetic number, because the mean of its divisors is an integer number (190454440).

Almost surely, 2^4001111343 is an apocalyptic number.

4001111343 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

4001111343 is a deficient number, since it is larger than the sum of its proper divisors (2093430737).

4001111343 is a wasteful number, since it uses less digits than its factorization.

4001111343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16596 (or 16590 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 4001111343 is about 63254.3385310447. The cubic root of 4001111343 is about 1587.5480506092.

Adding to 4001111343 its reverse (3431111004), we get a palindrome (7432222347).

The spelling of 4001111343 in words is "four billion, one million, one hundred eleven thousand, three hundred forty-three".