423439465 has 4 divisors (see below), whose sum is σ = 508127364. Its totient is φ = 338751568.

The previous prime is 423439439. The next prime is 423439481. The reversal of 423439465 is 564934324.

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 84437721 + 339001744 = 9189^2 + 18412^2 .

It is a cyclic number.

It is not a de Polignac number, because 423439465 - 2¹³ = 423431273 is a prime.

It is a super-3 number, since 3×423439465³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian 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, 42343942 + ... + 42343951.

It is an arithmetic number, because the mean of its divisors is an integer number (127031841).

Almost surely, 2^423439465 is an apocalyptic number.

It is an amenable number.

423439465 is a deficient number, since it is larger than the sum of its proper divisors (84687899).

423439465 is an equidigital number, since it uses as much as digits as its factorization.

423439465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84687898.

The product of its digits is 311040, while the sum is 40.

The square root of 423439465 is about 20577.6447874872. The cubic root of 423439465 is about 750.9259467301.

The spelling of 423439465 in words is "four hundred twenty-three million, four hundred thirty-nine thousand, four hundred sixty-five".