423927697 has 8 divisors (see below), whose sum is σ = 456629760. Its totient is φ = 392414880.

The previous prime is 423927689. The next prime is 423927703. The reversal of 423927697 is 796729324.

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 not a de Polignac number, because 423927697 - 2³ = 423927689 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 423927697.

It is not an unprimeable number, because it can be changed into a prime (423927607) 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, 296572 + ... + 297997.

It is an arithmetic number, because the mean of its divisors is an integer number (57078720).

Almost surely, 2^423927697 is an apocalyptic number.

It is an amenable number.

423927697 is a deficient number, since it is larger than the sum of its proper divisors (32702063).

423927697 is a wasteful number, since it uses less digits than its factorization.

423927697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 594623.

The product of its digits is 1143072, while the sum is 49.

The square root of 423927697 is about 20589.5045350781. The cubic root of 423927697 is about 751.2144454719.

The spelling of 423927697 in words is "four hundred twenty-three million, nine hundred twenty-seven thousand, six hundred ninety-seven".