423562 has 4 divisors (see below), whose sum is σ = 635346. Its totient is φ = 211780.

The previous prime is 423559. The next prime is 423581. The reversal of 423562 is 265324.

It is a happy number.

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., 383161 + 40401 = 619^2 + 201^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105889 + ... + 105892.

2⁴²³⁵⁶² is an apocalyptic number.

423562 is a deficient number, since it is larger than the sum of its proper divisors (211784).

423562 is a wasteful number, since it uses less digits than its factorization.

423562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211783.

The product of its digits is 1440, while the sum is 22.

The square root of 423562 is about 650.8164103647. The cubic root of 423562 is about 75.0998374113.

Adding to 423562 its reverse (265324), we get a palindrome (688886).

The spelling of 423562 in words is "four hundred twenty-three thousand, five hundred sixty-two".