423788 has 12 divisors (see below), whose sum is σ = 756000. Its totient is φ = 207792.

The previous prime is 423781. The next prime is 423791. The reversal of 423788 is 887324.

It is not an unprimeable number, because it can be changed into a prime (423781) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 788 + ... + 1211.

It is an arithmetic number, because the mean of its divisors is an integer number (63000).

2⁴²³⁷⁸⁸ is an apocalyptic number.

It is an amenable number.

423788 is a deficient number, since it is larger than the sum of its proper divisors (332212).

423788 is a wasteful number, since it uses less digits than its factorization.

423788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2056 (or 2054 counting only the distinct ones).

The product of its digits is 10752, while the sum is 32.

The square root of 423788 is about 650.9900152844. The cubic root of 423788 is about 75.1131920445.

The spelling of 423788 in words is "four hundred twenty-three thousand, seven hundred eighty-eight".