422903983 has 4 divisors (see below), whose sum is σ = 423047448. Its totient is φ = 422760520.

The previous prime is 422903981. The next prime is 422904017. The reversal of 422903983 is 389309224.

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 422903983 - 2¹ = 422903981 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 (422903981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67216 + ... + 73237.

It is an arithmetic number, because the mean of its divisors is an integer number (105761862).

Almost surely, 2^422903983 is an apocalyptic number.

422903983 is a deficient number, since it is larger than the sum of its proper divisors (143465).

422903983 is a wasteful number, since it uses less digits than its factorization.

422903983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143464.

The product of its (nonzero) digits is 93312, while the sum is 40.

The square root of 422903983 is about 20564.6294155766. The cubic root of 422903983 is about 750.6092726188.

The spelling of 422903983 in words is "four hundred twenty-two million, nine hundred three thousand, nine hundred eighty-three".