33213013231323 has 32 divisors (see below), whose sum is σ = 45072640023552. Its totient is φ = 21748721385600.

The previous prime is 33213013231319. The next prime is 33213013231379. The reversal of 33213013231323 is 32313231031233.

It is not a de Polignac number, because 33213013231323 - 2² = 33213013231319 is a prime.

It is a super-2 number, since 2×33213013231323² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33213013231313) 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 31 ways as a sum of consecutive naturals, for example, 664354858 + ... + 664404848.

It is an arithmetic number, because the mean of its divisors is an integer number (1408520000736).

Almost surely, 2^{33213013231323} is an apocalyptic number.

33213013231323 is a deficient number, since it is larger than the sum of its proper divisors (11859626792229).

33213013231323 is a wasteful number, since it uses less digits than its factorization.

33213013231323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55035.

The product of its (nonzero) digits is 17496, while the sum is 30.

Adding to 33213013231323 its reverse (32313231031233), we get a palindrome (65526244262556).

The spelling of 33213013231323 in words is "thirty-three trillion, two hundred thirteen billion, thirteen million, two hundred thirty-one thousand, three hundred twenty-three".