33420310205223 has 4 divisors (see below), whose sum is σ = 44560413606968. Its totient is φ = 22280206803480.

The previous prime is 33420310205203. The next prime is 33420310205237. The reversal of 33420310205223 is 32250201302433.

It is a happy number.

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

It is not a de Polignac number, because 33420310205223 - 2²⁸ = 33420041769767 is a prime.

It is a super-2 number, since 2×33420310205223² (a number of 28 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 (33420310205203) 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, 5570051700868 + ... + 5570051700873.

It is an arithmetic number, because the mean of its divisors is an integer number (11140103401742).

Almost surely, 2^{33420310205223} is an apocalyptic number.

33420310205223 is a deficient number, since it is larger than the sum of its proper divisors (11140103401745).

33420310205223 is a wasteful number, since it uses less digits than its factorization.

33420310205223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11140103401744.

The product of its (nonzero) digits is 25920, while the sum is 30.

Adding to 33420310205223 its reverse (32250201302433), we get a palindrome (65670511507656).

The spelling of 33420310205223 in words is "thirty-three trillion, four hundred twenty billion, three hundred ten million, two hundred five thousand, two hundred twenty-three".