200121331323 has 8 divisors (see below), whose sum is σ = 282524232528. Its totient is φ = 125566325504.

The previous prime is 200121331313. The next prime is 200121331363. The reversal of 200121331323 is 323133121002.

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

It is a cyclic number.

It is not a de Polignac number, because 200121331323 - 2⁹ = 200121330811 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 200121331323.

It is not an unprimeable number, because it can be changed into a prime (200121331313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1961973786 + ... + 1961973887.

It is an arithmetic number, because the mean of its divisors is an integer number (35315529066).

Almost surely, 2^200121331323 is an apocalyptic number.

200121331323 is a deficient number, since it is larger than the sum of its proper divisors (82402901205).

200121331323 is a wasteful number, since it uses less digits than its factorization.

200121331323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3923947693.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 200121331323 its reverse (323133121002), we get a palindrome (523254452325).

The spelling of 200121331323 in words is "two hundred billion, one hundred twenty-one million, three hundred thirty-one thousand, three hundred twenty-three".