320233132121 has 4 divisors (see below), whose sum is σ = 365980722432. Its totient is φ = 274485541812.

The previous prime is 320233132117. The next prime is 320233132151. The reversal of 320233132121 is 121231332023.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 320233132121 - 2² = 320233132117 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320233132151) 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, 22873795145 + ... + 22873795158.

It is an arithmetic number, because the mean of its divisors is an integer number (91495180608).

Almost surely, 2^320233132121 is an apocalyptic number.

It is an amenable number.

320233132121 is a deficient number, since it is larger than the sum of its proper divisors (45747590311).

320233132121 is an equidigital number, since it uses as much as digits as its factorization.

320233132121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45747590310.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 320233132121 its reverse (121231332023), we get a palindrome (441464464144).

The spelling of 320233132121 in words is "three hundred twenty billion, two hundred thirty-three million, one hundred thirty-two thousand, one hundred twenty-one".