42082723 has 2 divisors, whose sum is σ = 42082724. Its totient is φ = 42082722.

The previous prime is 42082699. The next prime is 42082757. The reversal of 42082723 is 32728024.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42082723 - 2⁹ = 42082211 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42082691 and 42082700.

It is not a weakly prime, because it can be changed into another prime (42082763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21041361 + 21041362.

It is an arithmetic number, because the mean of its divisors is an integer number (21041362).

Almost surely, 2^42082723 is an apocalyptic number.

42082723 is a deficient number, since it is larger than the sum of its proper divisors (1).

42082723 is an equidigital number, since it uses as much as digits as its factorization.

42082723 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 42082723 is about 6487.1197769118. The cubic root of 42082723 is about 347.8307270081.

The spelling of 42082723 in words is "forty-two million, eighty-two thousand, seven hundred twenty-three".