43212040043 has 8 divisors (see below), whose sum is σ = 45647092800. Its totient is φ = 40793060808.

The previous prime is 43212040037. The next prime is 43212040049. The reversal of 43212040043 is 34004021234.

It is an interprime number because it is at equal distance from previous prime (43212040037) and next prime (43212040049).

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 43212040043 - 2²² = 43207845739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43212040049) 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, 4012853 + ... + 4023606.

It is an arithmetic number, because the mean of its divisors is an integer number (5705886600).

Almost surely, 2^43212040043 is an apocalyptic number.

43212040043 is a deficient number, since it is larger than the sum of its proper divisors (2435052757).

43212040043 is a wasteful number, since it uses less digits than its factorization.

43212040043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8036761.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 43212040043 its reverse (34004021234), we get a palindrome (77216061277).

The spelling of 43212040043 in words is "forty-three billion, two hundred twelve million, forty thousand, forty-three".