4012340043 has 8 divisors (see below), whose sum is σ = 5361864768. Its totient is φ = 2668854344.

The previous prime is 4012340027. The next prime is 4012340047. The reversal of 4012340043 is 3400432104.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4012340043 - 2⁴ = 4012340027 is a prime.

It is a super-2 number, since 2×4012340043² = 32197745241322483698, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4012340047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1508205 + ... + 1510862.

It is an arithmetic number, because the mean of its divisors is an integer number (670233096).

Almost surely, 2^4012340043 is an apocalyptic number.

4012340043 is a deficient number, since it is larger than the sum of its proper divisors (1349524725).

4012340043 is a wasteful number, since it uses less digits than its factorization.

4012340043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3019513.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 4012340043 is about 63343.0346841703. The cubic root of 4012340043 is about 1589.0317593028.

Adding to 4012340043 its reverse (3400432104), we get a palindrome (7412772147).

The spelling of 4012340043 in words is "four billion, twelve million, three hundred forty thousand, forty-three".