323232023021 has 4 divisors (see below), whose sum is σ = 342245671452. Its totient is φ = 304218374592.

The previous prime is 323232023017. The next prime is 323232023047. The reversal of 323232023021 is 120320232323.

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 286219650025 + 37012372996 = 534995^2 + 192386^2 .

It is a cyclic number.

It is not a de Polignac number, because 323232023021 - 2² = 323232023017 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 (323232023921) 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, 9506824190 + ... + 9506824223.

It is an arithmetic number, because the mean of its divisors is an integer number (85561417863).

Almost surely, 2^323232023021 is an apocalyptic number.

It is an amenable number.

323232023021 is a deficient number, since it is larger than the sum of its proper divisors (19013648431).

323232023021 is a wasteful number, since it uses less digits than its factorization.

323232023021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19013648430.

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 323232023021 its reverse (120320232323), we get a palindrome (443552255344).

The spelling of 323232023021 in words is "three hundred twenty-three billion, two hundred thirty-two million, twenty-three thousand, twenty-one".