200121431302223 has 8 divisors (see below), whose sum is σ = 203118423751200. Its totient is φ = 197144352424800.

The previous prime is 200121431302207. The next prime is 200121431302283. The reversal of 200121431302223 is 322203134121002.

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 200121431302223 - 2⁴ = 200121431302207 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200121431302192 and 200121431302201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200121431302283) 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, 4978372640 + ... + 4978412837.

It is an arithmetic number, because the mean of its divisors is an integer number (25389802968900).

Almost surely, 2^{200121431302223} is an apocalyptic number.

200121431302223 is a deficient number, since it is larger than the sum of its proper divisors (2996992448977).

200121431302223 is a wasteful number, since it uses less digits than its factorization.

200121431302223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9956785777.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 200121431302223 its reverse (322203134121002), we get a palindrome (522324565423225).

The spelling of 200121431302223 in words is "two hundred trillion, one hundred twenty-one billion, four hundred thirty-one million, three hundred two thousand, two hundred twenty-three".