323112132121 has 4 divisors (see below), whose sum is σ = 326311262244. Its totient is φ = 319913002000.

The previous prime is 323112132103. The next prime is 323112132137. The reversal of 323112132121 is 121231211323.

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 205607833600 + 117504298521 = 453440^2 + 342789^2 .

It is a cyclic number.

It is not a de Polignac number, because 323112132121 - 2⁵ = 323112132089 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 323112132092 and 323112132101.

It is not an unprimeable number, because it can be changed into a prime (323112132181) 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, 1599564910 + ... + 1599565111.

It is an arithmetic number, because the mean of its divisors is an integer number (81577815561).

Almost surely, 2^323112132121 is an apocalyptic number.

It is an amenable number.

323112132121 is a deficient number, since it is larger than the sum of its proper divisors (3199130123).

323112132121 is a wasteful number, since it uses less digits than its factorization.

323112132121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3199130122.

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

Adding to 323112132121 its reverse (121231211323), we get a palindrome (444343343444).

The spelling of 323112132121 in words is "three hundred twenty-three billion, one hundred twelve million, one hundred thirty-two thousand, one hundred twenty-one".