423504803 has 2 divisors, whose sum is σ = 423504804. Its totient is φ = 423504802.

The previous prime is 423504779. The next prime is 423504811. The reversal of 423504803 is 308405324.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 423504803 - 2¹⁴ = 423488419 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (423504853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211752401 + 211752402.

It is an arithmetic number, because the mean of its divisors is an integer number (211752402).

Almost surely, 2^423504803 is an apocalyptic number.

423504803 is a deficient number, since it is larger than the sum of its proper divisors (1).

423504803 is an equidigital number, since it uses as much as digits as its factorization.

423504803 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 423504803 is about 20579.2323229026. The cubic root of 423504803 is about 750.9645681311.

The spelling of 423504803 in words is "four hundred twenty-three million, five hundred four thousand, eight hundred three".