423774 has 24 divisors (see below), whose sum is σ = 989352. Its totient is φ = 130320.

The previous prime is 423769. The next prime is 423779. The reversal of 423774 is 477324.

423774 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (423769) and next prime (423779).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 672 + ... + 1139.

It is an arithmetic number, because the mean of its divisors is an integer number (41223).

2⁴²³⁷⁷⁴ is an apocalyptic number.

423774 is an abundant number, since it is smaller than the sum of its proper divisors (565578).

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

423774 is a wasteful number, since it uses less digits than its factorization.

423774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1832 (or 1829 counting only the distinct ones).

The product of its digits is 4704, while the sum is 27.

The square root of 423774 is about 650.9792623425. The cubic root of 423774 is about 75.1123649043.

Adding to 423774 its sum of digits (27), we get a square (423801 = 651²).

Subtracting from 423774 its product of digits (4704), we obtain a triangular number (419070 = T₉₁₅).

The spelling of 423774 in words is "four hundred twenty-three thousand, seven hundred seventy-four", and thus it is an iban number.