43722028723 has 2 divisors, whose sum is σ = 43722028724. Its totient is φ = 43722028722.

The previous prime is 43722028717. The next prime is 43722028747. The reversal of 43722028723 is 32782022734.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 43722028723 - 2⁹ = 43722028211 is a prime.

It is a super-4 number, since 4×43722028723⁴ (a number of 44 digits) contains 4444 as substring.

It is not a weakly prime, because it can be changed into another prime (43722028703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21861014361 + 21861014362.

It is an arithmetic number, because the mean of its divisors is an integer number (21861014362).

Almost surely, 2^43722028723 is an apocalyptic number.

43722028723 is a deficient number, since it is larger than the sum of its proper divisors (1).

43722028723 is an equidigital number, since it uses as much as digits as its factorization.

43722028723 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 225792, while the sum is 40.

The spelling of 43722028723 in words is "forty-three billion, seven hundred twenty-two million, twenty-eight thousand, seven hundred twenty-three".