416545823 has 2 divisors, whose sum is σ = 416545824. Its totient is φ = 416545822.

The previous prime is 416545793. The next prime is 416545837. The reversal of 416545823 is 328545614.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-416545823 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (416445823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 208272911 + 208272912.

It is an arithmetic number, because the mean of its divisors is an integer number (208272912).

Almost surely, 2^416545823 is an apocalyptic number.

416545823 is a deficient number, since it is larger than the sum of its proper divisors (1).

416545823 is an equidigital number, since it uses as much as digits as its factorization.

416545823 is an evil number, because the sum of its binary digits is even.

The product of its digits is 115200, while the sum is 38.

The square root of 416545823 is about 20409.4542553200. The cubic root of 416545823 is about 746.8285775270.

The spelling of 416545823 in words is "four hundred sixteen million, five hundred forty-five thousand, eight hundred twenty-three".