423700 has 36 divisors (see below), whose sum is σ = 972160. Its totient is φ = 159840.

The previous prime is 423697. The next prime is 423707. The reversal of 423700 is 7324.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423707) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1789 + ... + 2011.

2⁴²³⁷⁰⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 423700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (486080).

423700 is an abundant number, since it is smaller than the sum of its proper divisors (548460).

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

423700 is a wasteful number, since it uses less digits than its factorization.

423700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256 (or 249 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 16.

The square root of 423700 is about 650.9224224130. The cubic root of 423700 is about 75.1079925749.

The spelling of 423700 in words is "four hundred twenty-three thousand, seven hundred", and thus it is an iban number.