419807123 has 2 divisors, whose sum is σ = 419807124. Its totient is φ = 419807122.

The previous prime is 419807083. The next prime is 419807131. The reversal of 419807123 is 321708914.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 419807123 - 2²⁰ = 418758547 is a prime.

It is not a weakly prime, because it can be changed into another prime (419807153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 209903561 + 209903562.

It is an arithmetic number, because the mean of its divisors is an integer number (209903562).

Almost surely, 2^419807123 is an apocalyptic number.

419807123 is a deficient number, since it is larger than the sum of its proper divisors (1).

419807123 is an equidigital number, since it uses as much as digits as its factorization.

419807123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 419807123 is about 20489.1952745831. The cubic root of 419807123 is about 748.7725837691.

The spelling of 419807123 in words is "four hundred nineteen million, eight hundred seven thousand, one hundred twenty-three".