34423405 has 4 divisors (see below), whose sum is σ = 41308092. Its totient is φ = 27538720.

The previous prime is 34423397. The next prime is 34423429. The reversal of 34423405 is 50432443.

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 9162729 + 25260676 = 3027^2 + 5026^2 .

It is not a de Polignac number, because 34423405 - 2³ = 34423397 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 34423405.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3442336 + ... + 3442345.

It is an arithmetic number, because the mean of its divisors is an integer number (10327023).

Almost surely, 2^34423405 is an apocalyptic number.

It is an amenable number.

34423405 is a deficient number, since it is larger than the sum of its proper divisors (6884687).

34423405 is an equidigital number, since it uses as much as digits as its factorization.

34423405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6884686.

The product of its (nonzero) digits is 5760, while the sum is 25.

The square root of 34423405 is about 5867.1462398682. The cubic root of 34423405 is about 325.3004086270.

Adding to 34423405 its reverse (50432443), we get a palindrome (84855848).

The spelling of 34423405 in words is "thirty-four million, four hundred twenty-three thousand, four hundred five".