423887383 has 4 divisors (see below), whose sum is σ = 424045440. Its totient is φ = 423729328.

The previous prime is 423887369. The next prime is 423887393. The reversal of 423887383 is 383788324.

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 423887383 - 2⁹ = 423886871 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423887393) 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, 74935 + ... + 80392.

It is an arithmetic number, because the mean of its divisors is an integer number (106011360).

Almost surely, 2^423887383 is an apocalyptic number.

423887383 is a deficient number, since it is larger than the sum of its proper divisors (158057).

423887383 is a wasteful number, since it uses less digits than its factorization.

423887383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158056.

The product of its digits is 774144, while the sum is 46.

The square root of 423887383 is about 20588.5255178704. The cubic root of 423887383 is about 751.1906321193.

The spelling of 423887383 in words is "four hundred twenty-three million, eight hundred eighty-seven thousand, three hundred eighty-three".