423477146 has 4 divisors (see below), whose sum is σ = 635215722. Its totient is φ = 211738572.

The previous prime is 423477139. The next prime is 423477163. The reversal of 423477146 is 641774324.

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

It can be written as a sum of positive squares in only one way, i.e., 370755025 + 52722121 = 19255^2 + 7261^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105869285 + ... + 105869288.

Almost surely, 2^423477146 is an apocalyptic number.

423477146 is a deficient number, since it is larger than the sum of its proper divisors (211738576).

423477146 is a wasteful number, since it uses less digits than its factorization.

423477146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211738575.

The product of its digits is 112896, while the sum is 38.

The square root of 423477146 is about 20578.5603480904. The cubic root of 423477146 is about 750.9482205171.

The spelling of 423477146 in words is "four hundred twenty-three million, four hundred seventy-seven thousand, one hundred forty-six".