421023140333 has 4 divisors (see below), whose sum is σ = 421801372188. Its totient is φ = 420244908480.

The previous prime is 421023140323. The next prime is 421023140371. The reversal of 421023140333 is 333041320124.

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 49017074404 + 372006065929 = 221398^2 + 609923^2 .

It is a cyclic number.

It is not a de Polignac number, because 421023140333 - 2⁶ = 421023140269 is a prime.

It is a super-2 number, since 2×421023140333² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421023140323) 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, 389115116 + ... + 389116197.

It is an arithmetic number, because the mean of its divisors is an integer number (105450343047).

Almost surely, 2^421023140333 is an apocalyptic number.

It is an amenable number.

421023140333 is a deficient number, since it is larger than the sum of its proper divisors (778231855).

421023140333 is an equidigital number, since it uses as much as digits as its factorization.

421023140333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 778231854.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 421023140333 its reverse (333041320124), we get a palindrome (754064460457).

The spelling of 421023140333 in words is "four hundred twenty-one billion, twenty-three million, one hundred forty thousand, three hundred thirty-three".