423839422 has 16 divisors (see below), whose sum is σ = 672969600. Its totient is φ = 199641240.

The previous prime is 423839419. The next prime is 423839431. The reversal of 423839422 is 224938324.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24354 + ... + 37957.

It is an arithmetic number, because the mean of its divisors is an integer number (42060600).

Almost surely, 2^423839422 is an apocalyptic number.

423839422 is a deficient number, since it is larger than the sum of its proper divisors (249130178).

423839422 is a wasteful number, since it uses less digits than its factorization.

423839422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62511.

The product of its digits is 82944, while the sum is 37.

The square root of 423839422 is about 20587.3607341981. The cubic root of 423839422 is about 751.1622997412.

It can be divided in two parts, 4238394 and 22, that added together give a triangular number (4238416 = T₂₉₁₁).

The spelling of 423839422 in words is "four hundred twenty-three million, eight hundred thirty-nine thousand, four hundred twenty-two".