416543423 has 2 divisors, whose sum is σ = 416543424. Its totient is φ = 416543422.

The previous prime is 416543419. The next prime is 416543429. The reversal of 416543423 is 324345614.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 416543423 - 2² = 416543419 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 416543423.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (416543429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 208271711 + 208271712.

It is an arithmetic number, because the mean of its divisors is an integer number (208271712).

Almost surely, 2^416543423 is an apocalyptic number.

416543423 is a deficient number, since it is larger than the sum of its proper divisors (1).

416543423 is an equidigital number, since it uses as much as digits as its factorization.

416543423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34560, while the sum is 32.

The square root of 416543423 is about 20409.3954589547. The cubic root of 416543423 is about 746.8271431974.

The spelling of 416543423 in words is "four hundred sixteen million, five hundred forty-three thousand, four hundred twenty-three".