421213330233 has 12 divisors (see below), whose sum is σ = 618731446320. Its totient is φ = 276049413816.

The previous prime is 421213330231. The next prime is 421213330247. The reversal of 421213330233 is 332033312124.

421213330233 is a `hidden beast` number, since 421 + 2 + 1 + 3 + 3 + 3 + 0 + 233 = 666.

It is not a de Polignac number, because 421213330233 - 2¹ = 421213330231 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 421213330197 and 421213330206.

It is not an unprimeable number, because it can be changed into a prime (421213330231) 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 11 ways as a sum of consecutive naturals, for example, 396622191 + ... + 396623252.

It is an arithmetic number, because the mean of its divisors is an integer number (51560953860).

Almost surely, 2^421213330233 is an apocalyptic number.

It is an amenable number.

421213330233 is a deficient number, since it is larger than the sum of its proper divisors (197518116087).

421213330233 is a wasteful number, since it uses less digits than its factorization.

421213330233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 793245508 (or 793245505 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 27.

Adding to 421213330233 its reverse (332033312124), we get a palindrome (753246642357).

The spelling of 421213330233 in words is "four hundred twenty-one billion, two hundred thirteen million, three hundred thirty thousand, two hundred thirty-three".