423754 has 4 divisors (see below), whose sum is σ = 635634. Its totient is φ = 211876.

The previous prime is 423751. The next prime is 423763. The reversal of 423754 is 457324.

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

It can be written as a sum of positive squares in only one way, i.e., 393129 + 30625 = 627^2 + 175^2 .

It is not an unprimeable number, because it can be changed into a prime (423751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105937 + ... + 105940.

2⁴²³⁷⁵⁴ is an apocalyptic number.

423754 is a deficient number, since it is larger than the sum of its proper divisors (211880).

423754 is a wasteful number, since it uses less digits than its factorization.

423754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211879.

The product of its digits is 3360, while the sum is 25.

The square root of 423754 is about 650.9639006888. The cubic root of 423754 is about 75.1111832439. Note that the first 4 decimals are identical.

The spelling of 423754 in words is "four hundred twenty-three thousand, seven hundred fifty-four".