33440320200223 has 4 divisors (see below), whose sum is σ = 33441769047888. Its totient is φ = 33438871352560.

The previous prime is 33440320200211. The next prime is 33440320200239. The reversal of 33440320200223 is 32200202304433.

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 33440320200223 - 2¹³ = 33440320192031 is a prime.

It is a super-2 number, since 2×33440320200223² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 33440320200191 and 33440320200200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33440320200283) 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, 724389211 + ... + 724435372.

It is an arithmetic number, because the mean of its divisors is an integer number (8360442261972).

Almost surely, 2^{33440320200223} is an apocalyptic number.

33440320200223 is a deficient number, since it is larger than the sum of its proper divisors (1448847665).

33440320200223 is a wasteful number, since it uses less digits than its factorization.

33440320200223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1448847664.

The product of its (nonzero) digits is 20736, while the sum is 28.

Adding to 33440320200223 its reverse (32200202304433), we get a palindrome (65640522504656).

The spelling of 33440320200223 in words is "thirty-three trillion, four hundred forty billion, three hundred twenty million, two hundred thousand, two hundred twenty-three".