423311202021 has 8 divisors (see below), whose sum is σ = 564424725280. Its totient is φ = 282202573392.

The previous prime is 423311202019. The next prime is 423311202043. The reversal of 423311202021 is 120202113324.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 423311202021 - 2¹ = 423311202019 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 (423311202091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1016866 + ... + 1371363.

It is an arithmetic number, because the mean of its divisors is an integer number (70553090660).

Almost surely, 2^423311202021 is an apocalyptic number.

It is an amenable number.

423311202021 is a deficient number, since it is larger than the sum of its proper divisors (141113523259).

423311202021 is a wasteful number, since it uses less digits than its factorization.

423311202021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2447315.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 423311202021 its reverse (120202113324), we get a palindrome (543513315345).

The spelling of 423311202021 in words is "four hundred twenty-three billion, three hundred eleven million, two hundred two thousand, twenty-one".