423576 has 64 divisors (see below), whose sum is σ = 1231200. Its totient is φ = 134784.

The previous prime is 423559. The next prime is 423581. The reversal of 423576 is 675324.

423576 = T₃₁ + T₃₂ + ... + T₁₃₆.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

Its product of digits (5040) is a multiple of the sum of its prime factors (105).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7966 + ... + 8018.

2⁴²³⁵⁷⁶ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 423576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (615600).

423576 is an abundant number, since it is smaller than the sum of its proper divisors (807624).

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

423576 is a wasteful number, since it uses less digits than its factorization.

423576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105 (or 95 counting only the distinct ones).

The product of its digits is 5040, while the sum is 27.

The square root of 423576 is about 650.8271659972. The cubic root of 423576 is about 75.1006648275.

It can be divided in two parts, 423 and 576, that added together give a palindrome (999).

The spelling of 423576 in words is "four hundred twenty-three thousand, five hundred seventy-six".