423620 has 24 divisors (see below), whose sum is σ = 907200. Its totient is φ = 166112.

The previous prime is 423617. The next prime is 423649. The reversal of 423620 is 26324.

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, 1001 + ... + 1359.

It is an arithmetic number, because the mean of its divisors is an integer number (37800).

2⁴²³⁶²⁰ is an apocalyptic number.

It is an amenable number.

423620 is an abundant number, since it is smaller than the sum of its proper divisors (483580).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

423620 is a wasteful number, since it uses less digits than its factorization.

423620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427 (or 425 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 423620 is about 650.8609682567. The cubic root of 423620 is about 75.1032651596.

Adding to 423620 its reverse (26324), we get a palindrome (449944).

The spelling of 423620 in words is "four hundred twenty-three thousand, six hundred twenty".