423512 has 16 divisors (see below), whose sum is σ = 801360. Its totient is φ = 209824.

The previous prime is 423509. The next prime is 423541. The reversal of 423512 is 215324.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1178 + ... + 1494.

It is an arithmetic number, because the mean of its divisors is an integer number (50085).

2⁴²³⁵¹² is an apocalyptic number.

It is an amenable number.

423512 is a deficient number, since it is larger than the sum of its proper divisors (377848).

423512 is a wasteful number, since it uses less digits than its factorization.

423512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490 (or 486 counting only the distinct ones).

The product of its digits is 240, while the sum is 17.

The square root of 423512 is about 650.7779959402. Note that the first 3 decimals coincide. The cubic root of 423512 is about 75.0968822047.

Adding to 423512 its reverse (215324), we get a palindrome (638836).

The spelling of 423512 in words is "four hundred twenty-three thousand, five hundred twelve".