323203210021201 has 4 divisors (see below), whose sum is σ = 324460810060452. Its totient is φ = 321945609981952.

The previous prime is 323203210021183. The next prime is 323203210021207. The reversal of 323203210021201 is 102120012302323.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 163530897926400 + 159672312094801 = 12787920^2 + 12636151^2 .

It is a cyclic number.

It is not a de Polignac number, because 323203210021201 - 2¹¹ = 323203210019153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (323203210021207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 628800019240 + ... + 628800019753.

It is an arithmetic number, because the mean of its divisors is an integer number (81115202515113).

Almost surely, 2^{323203210021201} is an apocalyptic number.

It is an amenable number.

323203210021201 is a deficient number, since it is larger than the sum of its proper divisors (1257600039251).

323203210021201 is a wasteful number, since it uses less digits than its factorization.

323203210021201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1257600039250.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 323203210021201 its reverse (102120012302323), we get a palindrome (425323222323524).

The spelling of 323203210021201 in words is "three hundred twenty-three trillion, two hundred three billion, two hundred ten million, twenty-one thousand, two hundred one".