42723449183 has 2 divisors, whose sum is σ = 42723449184. Its totient is φ = 42723449182.

The previous prime is 42723449161. The next prime is 42723449221. The reversal of 42723449183 is 38194432724.

42723449183 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42723449183 - 2²⁴ = 42706671967 is a prime.

It is a super-2 number, since 2×42723449183² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42723449123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21361724591 + 21361724592.

It is an arithmetic number, because the mean of its divisors is an integer number (21361724592).

Almost surely, 2^42723449183 is an apocalyptic number.

42723449183 is a deficient number, since it is larger than the sum of its proper divisors (1).

42723449183 is an equidigital number, since it uses as much as digits as its factorization.

42723449183 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1161216, while the sum is 47.

The spelling of 42723449183 in words is "forty-two billion, seven hundred twenty-three million, four hundred forty-nine thousand, one hundred eighty-three".