1023322312321 has 4 divisors (see below), whose sum is σ = 1042630280532. Its totient is φ = 1004014344112.

The previous prime is 1023322312319. The next prime is 1023322312351. The reversal of 1023322312321 is 1232132233201.

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 685948368400 + 337373943921 = 828220^2 + 580839^2 .

It is a cyclic number.

It is not a de Polignac number, because 1023322312321 - 2¹ = 1023322312319 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1023322312351) 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, 9653984026 + ... + 9653984131.

It is an arithmetic number, because the mean of its divisors is an integer number (260657570133).

Almost surely, 2^{1023322312321} is an apocalyptic number.

It is an amenable number.

1023322312321 is a deficient number, since it is larger than the sum of its proper divisors (19307968211).

1023322312321 is an equidigital number, since it uses as much as digits as its factorization.

1023322312321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19307968210.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 1023322312321 its reverse (1232132233201), we get a palindrome (2255454545522).

The spelling of 1023322312321 in words is "one trillion, twenty-three billion, three hundred twenty-two million, three hundred twelve thousand, three hundred twenty-one".