423755 has 4 divisors (see below), whose sum is σ = 508512. Its totient is φ = 339000.

The previous prime is 423751. The next prime is 423763. The reversal of 423755 is 557324.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 423755 - 2² = 423751 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (423751) 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, 42371 + ... + 42380.

It is an arithmetic number, because the mean of its divisors is an integer number (127128).

2⁴²³⁷⁵⁵ is an apocalyptic number.

423755 is a deficient number, since it is larger than the sum of its proper divisors (84757).

423755 is an equidigital number, since it uses as much as digits as its factorization.

423755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84756.

The product of its digits is 4200, while the sum is 26.

The square root of 423755 is about 650.9646687801. The cubic root of 423755 is about 75.1112423278. Note that the first 3 decimals are identical.

The spelling of 423755 in words is "four hundred twenty-three thousand, seven hundred fifty-five".