423353603 has 4 divisors (see below), whose sum is σ = 430293888. Its totient is φ = 416413320.

The previous prime is 423353597. The next prime is 423353621. The reversal of 423353603 is 306353324.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 423353603 - 2¹⁴ = 423337219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (423353633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3470051 + ... + 3470172.

It is an arithmetic number, because the mean of its divisors is an integer number (107573472).

Almost surely, 2^423353603 is an apocalyptic number.

423353603 is a deficient number, since it is larger than the sum of its proper divisors (6940285).

423353603 is an equidigital number, since it uses as much as digits as its factorization.

423353603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6940284.

The product of its (nonzero) digits is 19440, while the sum is 29.

The square root of 423353603 is about 20575.5583885347. The cubic root of 423353603 is about 750.8751875170.

The spelling of 423353603 in words is "four hundred twenty-three million, three hundred fifty-three thousand, six hundred three".