200123230201021 has 8 divisors (see below), whose sum is σ = 200736869830560. Its totient is φ = 199509802730928.

The previous prime is 200123230201009. The next prime is 200123230201033. The reversal of 200123230201021 is 120102032321002.

It is an interprime number because it is at equal distance from previous prime (200123230201009) and next prime (200123230201033).

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 200123230201021 - 2³⁵ = 200088870462653 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 200123230201021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200123230204021) 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, 51150331 + ... + 54923608.

It is an arithmetic number, because the mean of its divisors is an integer number (25092108728820).

Almost surely, 2^{200123230201021} is an apocalyptic number.

It is an amenable number.

200123230201021 is a deficient number, since it is larger than the sum of its proper divisors (613639629539).

200123230201021 is a wasteful number, since it uses less digits than its factorization.

200123230201021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106079723.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 200123230201021 its reverse (120102032321002), we get a palindrome (320225262522023).

The spelling of 200123230201021 in words is "two hundred trillion, one hundred twenty-three billion, two hundred thirty million, two hundred one thousand, twenty-one".