43023413021 has 8 divisors (see below), whose sum is σ = 45416104320. Its totient is φ = 40643551872.

The previous prime is 43023413011. The next prime is 43023413029. The reversal of 43023413021 is 12031432034.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43023413021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43023413029) 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, 3200645 + ... + 3214058.

It is an arithmetic number, because the mean of its divisors is an integer number (5677013040).

Almost surely, 2^43023413021 is an apocalyptic number.

It is an amenable number.

43023413021 is a deficient number, since it is larger than the sum of its proper divisors (2392691299).

43023413021 is a wasteful number, since it uses less digits than its factorization.

43023413021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6415075.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 43023413021 its reverse (12031432034), we get a palindrome (55054845055).

The spelling of 43023413021 in words is "forty-three billion, twenty-three million, four hundred thirteen thousand, twenty-one".