423303405 has 24 divisors (see below), whose sum is σ = 787864032. Its totient is φ = 193509792.

The previous prime is 423303389. The next prime is 423303443. The reversal of 423303405 is 504303324.

It is not a de Polignac number, because 423303405 - 2⁴ = 423303389 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 287227 + ... + 288696.

It is an arithmetic number, because the mean of its divisors is an integer number (32827668).

Almost surely, 2^423303405 is an apocalyptic number.

It is an amenable number.

423303405 is a deficient number, since it is larger than the sum of its proper divisors (364560627).

423303405 is a wasteful number, since it uses less digits than its factorization.

423303405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 575945 (or 575938 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 24.

The square root of 423303405 is about 20574.3385069849. The cubic root of 423303405 is about 750.8455086841.

Adding to 423303405 its reverse (504303324), we get a palindrome (927606729).

The spelling of 423303405 in words is "four hundred twenty-three million, three hundred three thousand, four hundred five".