423436 has 24 divisors (see below), whose sum is σ = 846720. Its totient is φ = 183552.

The previous prime is 423431. The next prime is 423439. The reversal of 423436 is 634324.

It is not an unprimeable number, because it can be changed into a prime (423431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 645 + ... + 1123.

It is an arithmetic number, because the mean of its divisors is an integer number (35280).

2⁴²³⁴³⁶ is an apocalyptic number.

It is an amenable number.

423436 is a deficient number, since it is larger than the sum of its proper divisors (423284).

423436 is a wasteful number, since it uses less digits than its factorization.

423436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513 (or 511 counting only the distinct ones).

The product of its digits is 1728, while the sum is 22.

The square root of 423436 is about 650.7196016719. The cubic root of 423436 is about 75.0923898452.

The spelling of 423436 in words is "four hundred twenty-three thousand, four hundred thirty-six".