423667474 has 4 divisors (see below), whose sum is σ = 635501214. Its totient is φ = 211833736.

The previous prime is 423667459. The next prime is 423667487. The reversal of 423667474 is 474766324.

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., 385140625 + 38526849 = 19625^2 + 6207^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 423667474.

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 as a sum of consecutive naturals, namely, 105916867 + ... + 105916870.

Almost surely, 2^423667474 is an apocalyptic number.

423667474 is a deficient number, since it is larger than the sum of its proper divisors (211833740).

423667474 is a wasteful number, since it uses less digits than its factorization.

423667474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211833739.

The product of its digits is 677376, while the sum is 43.

The square root of 423667474 is about 20583.1842531713. The cubic root of 423667474 is about 751.0607059781.

The spelling of 423667474 in words is "four hundred twenty-three million, six hundred sixty-seven thousand, four hundred seventy-four".