33545221323 has 8 divisors (see below), whose sum is σ = 44729950608. Its totient is φ = 22361986464.

The previous prime is 33545221313. The next prime is 33545221349. The reversal of 33545221323 is 32312254533.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 33545221323 - 2¹⁸ = 33544959179 is a prime.

It is a super-2 number, since 2×33545221323² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33545221313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 320136 + ... + 411797.

It is an arithmetic number, because the mean of its divisors is an integer number (5591243826).

Almost surely, 2^33545221323 is an apocalyptic number.

33545221323 is a deficient number, since it is larger than the sum of its proper divisors (11184729285).

33545221323 is a wasteful number, since it uses less digits than its factorization.

33545221323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 747213.

The product of its digits is 64800, while the sum is 33.

Adding to 33545221323 its reverse (32312254533), we get a palindrome (65857475856).

The spelling of 33545221323 in words is "thirty-three billion, five hundred forty-five million, two hundred twenty-one thousand, three hundred twenty-three".