423830 has 16 divisors (see below), whose sum is σ = 832464. Its totient is φ = 154080.

The previous prime is 423823. The next prime is 423847. The reversal of 423830 is 38324.

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, 1817 + ... + 2036.

It is an arithmetic number, because the mean of its divisors is an integer number (52029).

2⁴²³⁸³⁰ is an apocalyptic number.

423830 is a deficient number, since it is larger than the sum of its proper divisors (408634).

423830 is a wasteful number, since it uses less digits than its factorization.

423830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3871.

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

The square root of 423830 is about 651.0222730445. The cubic root of 423830 is about 75.1156733558.

The spelling of 423830 in words is "four hundred twenty-three thousand, eight hundred thirty".