323120121021301 has 4 divisors (see below), whose sum is σ = 323121654721900. Its totient is φ = 323118587320704.

The previous prime is 323120121021289. The next prime is 323120121021307. The reversal of 323120121021301 is 103120121021323.

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 113642955519025 + 209477165502276 = 10660345^2 + 14473326^2 .

It is a cyclic number.

It is not a de Polignac number, because 323120121021301 - 2²¹ = 323120118924149 is a prime.

It is a super-2 number, since 2×323120121021301² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323120121021307) 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, 766534236 + ... + 766955653.

It is an arithmetic number, because the mean of its divisors is an integer number (80780413680475).

Almost surely, 2^{323120121021301} is an apocalyptic number.

It is an amenable number.

323120121021301 is a deficient number, since it is larger than the sum of its proper divisors (1533700599).

323120121021301 is a wasteful number, since it uses less digits than its factorization.

323120121021301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1533700598.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 323120121021301 its sum of digits (22), we get a palindrome (323120121021323).

Adding to 323120121021301 its reverse (103120121021323), we get a palindrome (426240242042624).

The spelling of 323120121021301 in words is "three hundred twenty-three trillion, one hundred twenty billion, one hundred twenty-one million, twenty-one thousand, three hundred one".