423542697 has 8 divisors (see below), whose sum is σ = 565349856. Its totient is φ = 282048672.

The previous prime is 423542689. The next prime is 423542719. The reversal of 423542697 is 796245324.

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

It is not a de Polignac number, because 423542697 - 2³ = 423542689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (423542617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75108 + ... + 80549.

It is an arithmetic number, because the mean of its divisors is an integer number (70668732).

Almost surely, 2^423542697 is an apocalyptic number.

It is an amenable number.

423542697 is a deficient number, since it is larger than the sum of its proper divisors (141807159).

423542697 is a wasteful number, since it uses less digits than its factorization.

423542697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156567.

The product of its digits is 362880, while the sum is 42.

The square root of 423542697 is about 20580.1529877696. The cubic root of 423542697 is about 750.9869655179.

The spelling of 423542697 in words is "four hundred twenty-three million, five hundred forty-two thousand, six hundred ninety-seven".