423301300421 has 4 divisors (see below), whose sum is σ = 427184798700. Its totient is φ = 419417802144.

The previous prime is 423301300403. The next prime is 423301300451. The reversal of 423301300421 is 124003103324.

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 171007060900 + 252294239521 = 413530^2 + 502289^2 .

It is a cyclic number.

It is not a de Polignac number, because 423301300421 - 2¹⁰ = 423301299397 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 (423301300451) 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, 1941748976 + ... + 1941749193.

It is an arithmetic number, because the mean of its divisors is an integer number (106796199675).

Almost surely, 2^423301300421 is an apocalyptic number.

It is an amenable number.

423301300421 is a deficient number, since it is larger than the sum of its proper divisors (3883498279).

423301300421 is a wasteful number, since it uses less digits than its factorization.

423301300421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3883498278.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 423301300421 its reverse (124003103324), we get a palindrome (547304403745).

The spelling of 423301300421 in words is "four hundred twenty-three billion, three hundred one million, three hundred thousand, four hundred twenty-one".