43402030043 has 16 divisors (see below), whose sum is σ = 45320619744. Its totient is φ = 41528459520.

The previous prime is 43402030039. The next prime is 43402030057. The reversal of 43402030043 is 34003020434.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 43402030043 - 2² = 43402030039 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43402030003) 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, 502373 + ... + 582393.

It is an arithmetic number, because the mean of its divisors is an integer number (2832538734).

Almost surely, 2^43402030043 is an apocalyptic number.

43402030043 is a deficient number, since it is larger than the sum of its proper divisors (1918589701).

43402030043 is a wasteful number, since it uses less digits than its factorization.

43402030043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80302.

The product of its (nonzero) digits is 3456, while the sum is 23.

Adding to 43402030043 its reverse (34003020434), we get a palindrome (77405050477).

The spelling of 43402030043 in words is "forty-three billion, four hundred two million, thirty thousand, forty-three".