323121203011 has 16 divisors (see below), whose sum is σ = 344792448000. Its totient is φ = 302102304768.

The previous prime is 323121202967. The next prime is 323121203029. The reversal of 323121203011 is 110302121323.

It is not a de Polignac number, because 323121203011 - 2⁷ = 323121202883 is a prime.

It is a super-2 number, since 2×323121203011² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 323121203011.

It is not an unprimeable number, because it can be changed into a prime (323121003011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 636940 + ... + 1025638.

It is an arithmetic number, because the mean of its divisors is an integer number (21549528000).

Almost surely, 2^323121203011 is an apocalyptic number.

323121203011 is a deficient number, since it is larger than the sum of its proper divisors (21671244989).

323121203011 is a wasteful number, since it uses less digits than its factorization.

323121203011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389538.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 323121203011 its reverse (110302121323), we get a palindrome (433423324334).

The spelling of 323121203011 in words is "three hundred twenty-three billion, one hundred twenty-one million, two hundred three thousand, eleven".