542305423 has 24 divisors (see below), whose sum is σ = 652987440. Its totient is φ = 447955200.

The previous prime is 542305409. The next prime is 542305441. The reversal of 542305423 is 324503245.

It is not a de Polignac number, because 542305423 - 2⁹ = 542304911 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 542305391 and 542305400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542305493) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55108 + ... + 64198.

It is an arithmetic number, because the mean of its divisors is an integer number (27207810).

Almost surely, 2^542305423 is an apocalyptic number.

542305423 is a deficient number, since it is larger than the sum of its proper divisors (110682017).

542305423 is a wasteful number, since it uses less digits than its factorization.

542305423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9159 (or 9148 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 28.

The square root of 542305423 is about 23287.4520504069. The cubic root of 542305423 is about 815.4825065106.

Adding to 542305423 its reverse (324503245), we get a palindrome (866808668).

The spelling of 542305423 in words is "five hundred forty-two million, three hundred five thousand, four hundred twenty-three".