43320848018723 has 4 divisors (see below), whose sum is σ = 47259106929528. Its totient is φ = 39382589107920.

The previous prime is 43320848018629. The next prime is 43320848018731. The reversal of 43320848018723 is 32781084802334.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43320848018723 is a prime.

It is a super-2 number, since 2×43320848018723² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43320848018743) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1969129455386 + ... + 1969129455407.

It is an arithmetic number, because the mean of its divisors is an integer number (11814776732382).

Almost surely, 2^{43320848018723} is an apocalyptic number.

43320848018723 is a deficient number, since it is larger than the sum of its proper divisors (3938258910805).

43320848018723 is a wasteful number, since it uses less digits than its factorization.

43320848018723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3938258910804.

The product of its (nonzero) digits is 6193152, while the sum is 53.

The spelling of 43320848018723 in words is "forty-three trillion, three hundred twenty billion, eight hundred forty-eight million, eighteen thousand, seven hundred twenty-three".