423542 has 8 divisors (see below), whose sum is σ = 726096. Its totient is φ = 181512.

The previous prime is 423541. The next prime is 423547. The reversal of 423542 is 245324.

423542 is nontrivially palindromic in base 16.

423542 is an esthetic number in base 16, because in such base its adjacent digits differ by 1.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a d-powerful number, because it can be written as 4 + 2¹⁴ + 5⁸ + 3⁴ + 4³ + 2¹⁴ .

423542 is an undulating number in base 16.

It is a zygodrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423541) 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, 15113 + ... + 15140.

It is an arithmetic number, because the mean of its divisors is an integer number (90762).

2⁴²³⁵⁴² is an apocalyptic number.

423542 is a deficient number, since it is larger than the sum of its proper divisors (302554).

423542 is a wasteful number, since it uses less digits than its factorization.

423542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30262.

The product of its digits is 960, while the sum is 20.

The square root of 423542 is about 650.8010448670. The cubic root of 423542 is about 75.0986553566.

Adding to 423542 its reverse (245324), we get a palindrome (668866).

The spelling of 423542 in words is "four hundred twenty-three thousand, five hundred forty-two".