103323012321 has 4 divisors (see below), whose sum is σ = 137764016432. Its totient is φ = 68882008212.

The previous prime is 103323012319. The next prime is 103323012349. The reversal of 103323012321 is 123210323301.

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 not a de Polignac number, because 103323012321 - 2¹ = 103323012319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103323012361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17220502051 + ... + 17220502056.

It is an arithmetic number, because the mean of its divisors is an integer number (34441004108).

Almost surely, 2^103323012321 is an apocalyptic number.

It is an amenable number.

103323012321 is a deficient number, since it is larger than the sum of its proper divisors (34441004111).

103323012321 is an equidigital number, since it uses as much as digits as its factorization.

103323012321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34441004110.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 103323012321 its reverse (123210323301), we get a palindrome (226533335622).

The spelling of 103323012321 in words is "one hundred three billion, three hundred twenty-three million, twelve thousand, three hundred twenty-one".