423146 has 4 divisors (see below), whose sum is σ = 634722. Its totient is φ = 211572.

The previous prime is 423133. The next prime is 423173. The reversal of 423146 is 641324.

It is a happy number.

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., 366025 + 57121 = 605^2 + 239^2 .

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, 105785 + ... + 105788.

2⁴²³¹⁴⁶ is an apocalyptic number.

423146 is a deficient number, since it is larger than the sum of its proper divisors (211576).

423146 is a wasteful number, since it uses less digits than its factorization.

423146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211575.

The product of its digits is 576, while the sum is 20.

The square root of 423146 is about 650.4967332739. The cubic root of 423146 is about 75.0752430065.

The spelling of 423146 in words is "four hundred twenty-three thousand, one hundred forty-six".