423760 has 20 divisors (see below), whose sum is σ = 985428. Its totient is φ = 169472.

The previous prime is 423751. The next prime is 423763. The reversal of 423760 is 67324.

It can be written as a sum of positive squares in 2 ways, for example, as 254016 + 169744 = 504^2 + 412^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423763) by changing a digit.

423760 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2569 + ... + 2728.

2⁴²³⁷⁶⁰ is an apocalyptic number.

423760 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

423760 is an abundant number, since it is smaller than the sum of its proper divisors (561668).

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

423760 is a wasteful number, since it uses less digits than its factorization.

423760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5310 (or 5304 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 423760 is about 650.9685092230. The cubic root of 423760 is about 75.1115377459. Note that the first 3 decimals are identical.

The spelling of 423760 in words is "four hundred twenty-three thousand, seven hundred sixty".