4230019973 has 4 divisors (see below), whose sum is σ = 4234535340. Its totient is φ = 4225504608.

The previous prime is 4230019943. The next prime is 4230020017. The reversal of 4230019973 is 3799100324.

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

It can be written as a sum of positive squares in 2 ways, for example, as 751143649 + 3478876324 = 27407^2 + 58982^2 .

It is a cyclic number.

It is not a de Polignac number, because 4230019973 - 2¹² = 4230015877 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 (4230019943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2256278 + ... + 2258151.

It is an arithmetic number, because the mean of its divisors is an integer number (1058633835).

Almost surely, 2^4230019973 is an apocalyptic number.

It is an amenable number.

4230019973 is a deficient number, since it is larger than the sum of its proper divisors (4515367).

4230019973 is an equidigital number, since it uses as much as digits as its factorization.

4230019973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4515366.

The product of its (nonzero) digits is 40824, while the sum is 38.

The square root of 4230019973 is about 65038.6037134870. The cubic root of 4230019973 is about 1617.2635779331.

The spelling of 4230019973 in words is "four billion, two hundred thirty million, nineteen thousand, nine hundred seventy-three".