32123320321 has 4 divisors (see below), whose sum is σ = 32124634452. Its totient is φ = 32122006192.

The previous prime is 32123320319. The next prime is 32123320331. The reversal of 32123320321 is 12302332123.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12302332123 = 1213 ⋅10142071.

It can be written as a sum of positive squares in 2 ways, for example, as 7936849921 + 24186470400 = 89089^2 + 155520^2 .

It is a cyclic number.

It is not a de Polignac number, because 32123320321 - 2¹ = 32123320319 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 32123320292 and 32123320301.

It is not an unprimeable number, because it can be changed into a prime (32123320331) 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, 619690 + ... + 669523.

It is an arithmetic number, because the mean of its divisors is an integer number (8031158613).

Almost surely, 2^32123320321 is an apocalyptic number.

It is an amenable number.

32123320321 is a deficient number, since it is larger than the sum of its proper divisors (1314131).

32123320321 is a wasteful number, since it uses less digits than its factorization.

32123320321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1314130.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 32123320321 its reverse (12302332123), we get a palindrome (44425652444).

The spelling of 32123320321 in words is "thirty-two billion, one hundred twenty-three million, three hundred twenty thousand, three hundred twenty-one".