423680459 has 4 divisors (see below), whose sum is σ = 438290160. Its totient is φ = 409070760.

The previous prime is 423680437. The next prime is 423680461. The reversal of 423680459 is 954086324.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 423680459 - 2⁸ = 423680203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (423680489) 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, 7304807 + ... + 7304864.

It is an arithmetic number, because the mean of its divisors is an integer number (109572540).

Almost surely, 2^423680459 is an apocalyptic number.

423680459 is a deficient number, since it is larger than the sum of its proper divisors (14609701).

423680459 is a wasteful number, since it uses less digits than its factorization.

423680459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14609700.

The product of its (nonzero) digits is 207360, while the sum is 41.

The square root of 423680459 is about 20583.4996781403. The cubic root of 423680459 is about 751.0683789954.

The spelling of 423680459 in words is "four hundred twenty-three million, six hundred eighty thousand, four hundred fifty-nine".