200121324023 has 16 divisors (see below), whose sum is σ = 208859048832. Its totient is φ = 191582496000.

The previous prime is 200121323989. The next prime is 200121324037. The reversal of 200121324023 is 320423121002.

200121324023 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 200121324023 - 2⁸ = 200121323767 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200121323986 and 200121324004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200121354023) 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, 957890 + ... + 1147952.

It is an arithmetic number, because the mean of its divisors is an integer number (13053690552).

Almost surely, 2^200121324023 is an apocalyptic number.

200121324023 is a deficient number, since it is larger than the sum of its proper divisors (8737724809).

200121324023 is a wasteful number, since it uses less digits than its factorization.

200121324023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190586.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 200121324023 its reverse (320423121002), we get a palindrome (520544445025).

The spelling of 200121324023 in words is "two hundred billion, one hundred twenty-one million, three hundred twenty-four thousand, twenty-three".