323122112023021 has 4 divisors (see below), whose sum is σ = 323126109507292. Its totient is φ = 323118114538752.

The previous prime is 323122112023019. The next prime is 323122112023079. The reversal of 323122112023021 is 120320211221323.

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 268240521802500 + 54881590220521 = 16378050^2 + 7408211^2 .

It is a cyclic number.

It is not a de Polignac number, because 323122112023021 - 2¹ = 323122112023019 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323122112023121) 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, 1998620886 + ... + 1998782551.

It is an arithmetic number, because the mean of its divisors is an integer number (80781527376823).

Almost surely, 2^{323122112023021} is an apocalyptic number.

It is an amenable number.

323122112023021 is a deficient number, since it is larger than the sum of its proper divisors (3997484271).

323122112023021 is an equidigital number, since it uses as much as digits as its factorization.

323122112023021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3997484270.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 323122112023021 its reverse (120320211221323), we get a palindrome (443442323244344).

The spelling of 323122112023021 in words is "three hundred twenty-three trillion, one hundred twenty-two billion, one hundred twelve million, twenty-three thousand, twenty-one".