33201421223 has 4 divisors (see below), whose sum is σ = 33201987000. Its totient is φ = 33200855448.

The previous prime is 33201421217. The next prime is 33201421247. The reversal of 33201421223 is 32212410233.

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

It is a cyclic number.

It is not a de Polignac number, because 33201421223 - 2⁴ = 33201421207 is a prime.

It is a super-2 number, since 2×33201421223² (a number of 22 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 (33201421823) 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, 183140 + ... + 316137.

It is an arithmetic number, because the mean of its divisors is an integer number (8300496750).

Almost surely, 2^33201421223 is an apocalyptic number.

33201421223 is a deficient number, since it is larger than the sum of its proper divisors (565777).

33201421223 is an equidigital number, since it uses as much as digits as its factorization.

33201421223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565776.

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

Adding to 33201421223 its reverse (32212410233), we get a palindrome (65413831456).

The spelling of 33201421223 in words is "thirty-three billion, two hundred one million, four hundred twenty-one thousand, two hundred twenty-three".