423960 has 32 divisors (see below), whose sum is σ = 1272240. Its totient is φ = 113024.

The previous prime is 423949. The next prime is 423961. The reversal of 423960 is 69324.

423960 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 423960.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423961) by changing a digit.

423960 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 7 ways as a sum of consecutive naturals, for example, 1647 + ... + 1886.

2⁴²³⁹⁶⁰ is an apocalyptic number.

423960 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

423960 is an abundant number, since it is smaller than the sum of its proper divisors (848280).

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

423960 is a wasteful number, since it uses less digits than its factorization.

423960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3547 (or 3543 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 423960 is about 651.1221083637. The cubic root of 423960 is about 75.1233525663.

The spelling of 423960 in words is "four hundred twenty-three thousand, nine hundred sixty".