200121323323 has 16 divisors (see below), whose sum is σ = 218625765120. Its totient is φ = 182592899104.

The previous prime is 200121323293. The next prime is 200121323371. The reversal of 200121323323 is 323323121002.

200121323323 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 200121323323 - 2⁹ = 200121322811 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200121323294 and 200121323303.

It is not an unprimeable number, because it can be changed into a prime (200121323393) 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, 1752061 + ... + 1862782.

It is an arithmetic number, because the mean of its divisors is an integer number (13664110320).

Almost surely, 2^200121323323 is an apocalyptic number.

200121323323 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

200121323323 is a deficient number, since it is larger than the sum of its proper divisors (18504441797).

200121323323 is a wasteful number, since it uses less digits than its factorization.

200121323323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3614978.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 200121323323 its reverse (323323121002), we get a palindrome (523444444325).

The spelling of 200121323323 in words is "two hundred billion, one hundred twenty-one million, three hundred twenty-three thousand, three hundred twenty-three".