542432423 has 8 divisors (see below), whose sum is σ = 585431616. Its totient is φ = 499615200.

The previous prime is 542432417. The next prime is 542432441. The reversal of 542432423 is 324234245.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-542432423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542432323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39263 + ... + 51248.

It is an arithmetic number, because the mean of its divisors is an integer number (73178952).

Almost surely, 2^542432423 is an apocalyptic number.

542432423 is a deficient number, since it is larger than the sum of its proper divisors (42999193).

542432423 is a wasteful number, since it uses less digits than its factorization.

542432423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90985.

The product of its digits is 23040, while the sum is 29.

The square root of 542432423 is about 23290.1786811523. The cubic root of 542432423 is about 815.5461595681.

Adding to 542432423 its reverse (324234245), we get a palindrome (866666668).

The spelling of 542432423 in words is "five hundred forty-two million, four hundred thirty-two thousand, four hundred twenty-three".