40711423 has 2 divisors, whose sum is σ = 40711424. Its totient is φ = 40711422.

The previous prime is 40711421. The next prime is 40711439. The reversal of 40711423 is 32411704.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40711423 - 2¹ = 40711421 is a prime.

Together with 40711421, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 40711394 and 40711403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40711421) 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, 20355711 + 20355712.

It is an arithmetic number, because the mean of its divisors is an integer number (20355712).

Almost surely, 2^40711423 is an apocalyptic number.

40711423 is a deficient number, since it is larger than the sum of its proper divisors (1).

40711423 is an equidigital number, since it uses as much as digits as its factorization.

40711423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 40711423 is about 6380.5503681109. The cubic root of 40711423 is about 344.0108135009.

The spelling of 40711423 in words is "forty million, seven hundred eleven thousand, four hundred twenty-three".