423770339 has 4 divisors (see below), whose sum is σ = 448698024. Its totient is φ = 398842656.

The previous prime is 423770323. The next prime is 423770393. The reversal of 423770339 is 933077324.

It is a happy number.

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 423770339 - 2⁴ = 423770323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (423770539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12463817 + ... + 12463850.

It is an arithmetic number, because the mean of its divisors is an integer number (112174506).

Almost surely, 2^423770339 is an apocalyptic number.

423770339 is a deficient number, since it is larger than the sum of its proper divisors (24927685).

423770339 is a wasteful number, since it uses less digits than its factorization.

423770339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24927684.

The product of its (nonzero) digits is 95256, while the sum is 38.

The square root of 423770339 is about 20585.6828645542. The cubic root of 423770339 is about 751.1214860414.

The spelling of 423770339 in words is "four hundred twenty-three million, seven hundred seventy thousand, three hundred thirty-nine".