423924287 has 8 divisors (see below), whose sum is σ = 438065280. Its totient is φ = 409812480.

The previous prime is 423924271. The next prime is 423924311. The reversal of 423924287 is 782429324.

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 423924287 - 2⁴ = 423924271 is a prime.

It is a super-2 number, since 2×423924287² = 359423602216916738, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423924587) 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, 24503 + ... + 38055.

It is an arithmetic number, because the mean of its divisors is an integer number (54758160).

Almost surely, 2^423924287 is an apocalyptic number.

423924287 is a deficient number, since it is larger than the sum of its proper divisors (14140993).

423924287 is a wasteful number, since it uses less digits than its factorization.

423924287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14593.

The product of its digits is 193536, while the sum is 41.

The square root of 423924287 is about 20589.4217257309. The cubic root of 423924287 is about 751.2124312541.

The spelling of 423924287 in words is "four hundred twenty-three million, nine hundred twenty-four thousand, two hundred eighty-seven".