383423605 has 4 divisors (see below), whose sum is σ = 460108332. Its totient is φ = 306738880.

The previous prime is 383423597. The next prime is 383423633. The reversal of 383423605 is 506324383.

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

It can be written as a sum of positive squares in 2 ways, for example, as 105001009 + 278422596 = 10247^2 + 16686^2 .

It is not a de Polignac number, because 383423605 - 2³ = 383423597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38342356 + ... + 38342365.

It is an arithmetic number, because the mean of its divisors is an integer number (115027083).

Almost surely, 2^383423605 is an apocalyptic number.

It is an amenable number.

383423605 is a deficient number, since it is larger than the sum of its proper divisors (76684727).

383423605 is an equidigital number, since it uses as much as digits as its factorization.

383423605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76684726.

The product of its (nonzero) digits is 51840, while the sum is 34.

The square root of 383423605 is about 19581.2054021197. The cubic root of 383423605 is about 726.4843816779.

Adding to 383423605 its reverse (506324383), we get a palindrome (889747988).

The spelling of 383423605 in words is "three hundred eighty-three million, four hundred twenty-three thousand, six hundred five".