423956 has 24 divisors (see below), whose sum is σ = 827904. Its totient is φ = 188640.

The previous prime is 423949. The next prime is 423961. The reversal of 423956 is 659324.

423956 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 1481 + ... + 1743.

It is an arithmetic number, because the mean of its divisors is an integer number (34496).

2⁴²³⁹⁵⁶ is an apocalyptic number.

It is an amenable number.

423956 is a deficient number, since it is larger than the sum of its proper divisors (403948).

423956 is a wasteful number, since it uses less digits than its factorization.

423956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311 (or 309 counting only the distinct ones).

The product of its digits is 6480, while the sum is 29.

The square root of 423956 is about 651.1190367360. The cubic root of 423956 is about 75.1231163063.

The spelling of 423956 in words is "four hundred twenty-three thousand, nine hundred fifty-six".