323313212023121 has 4 divisors (see below), whose sum is σ = 323338366724532. Its totient is φ = 323288057321712.

The previous prime is 323313212022959. The next prime is 323313212023127. The reversal of 323313212023121 is 121320212313323.

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 131101606901521 + 192211605121600 = 11449961^2 + 13864040^2 .

It is a cyclic number.

It is not a de Polignac number, because 323313212023121 - 2⁴² = 318915165512017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (323313212023127) 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, 12577331426 + ... + 12577357131.

It is an arithmetic number, because the mean of its divisors is an integer number (80834591681133).

Almost surely, 2^{323313212023121} is an apocalyptic number.

It is an amenable number.

323313212023121 is a deficient number, since it is larger than the sum of its proper divisors (25154701411).

323313212023121 is a wasteful number, since it uses less digits than its factorization.

323313212023121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25154701410.

The product of its (nonzero) digits is 7776, while the sum is 29.

Adding to 323313212023121 its reverse (121320212313323), we get a palindrome (444633424336444).

The spelling of 323313212023121 in words is "three hundred twenty-three trillion, three hundred thirteen billion, two hundred twelve million, twenty-three thousand, one hundred twenty-one".