323203310211101 has 4 divisors (see below), whose sum is σ = 323214518178012. Its totient is φ = 323192102244192.

The previous prime is 323203310211013. The next prime is 323203310211143. The reversal of 323203310211101 is 101112013302323.

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 126110631550201 + 197092678660900 = 11229899^2 + 14038970^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-323203310211101 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323203310217101) 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, 5603940200 + ... + 5603997873.

It is an arithmetic number, because the mean of its divisors is an integer number (80803629544503).

Almost surely, 2^{323203310211101} is an apocalyptic number.

It is an amenable number.

323203310211101 is a deficient number, since it is larger than the sum of its proper divisors (11207966911).

323203310211101 is a wasteful number, since it uses less digits than its factorization.

323203310211101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11207966910.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 323203310211101 its reverse (101112013302323), we get a palindrome (424315323513424).

The spelling of 323203310211101 in words is "three hundred twenty-three trillion, two hundred three billion, three hundred ten million, two hundred eleven thousand, one hundred one".