40082423 has 2 divisors, whose sum is σ = 40082424. Its totient is φ = 40082422.

The previous prime is 40082389. The next prime is 40082453. The reversal of 40082423 is 32428004.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40082423 - 2⁸ = 40082167 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40082453) 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, 20041211 + 20041212.

It is an arithmetic number, because the mean of its divisors is an integer number (20041212).

Almost surely, 2^40082423 is an apocalyptic number.

40082423 is a deficient number, since it is larger than the sum of its proper divisors (1).

40082423 is an equidigital number, since it uses as much as digits as its factorization.

40082423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 40082423 is about 6331.0680773468. The cubic root of 40082423 is about 342.2299304210.

The spelling of 40082423 in words is "forty million, eighty-two thousand, four hundred twenty-three".