121313220323 has 8 divisors (see below), whose sum is σ = 122053636320. Its totient is φ = 120572971200.

The previous prime is 121313220317. The next prime is 121313220341. The reversal of 121313220323 is 323022313121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 121313220323 - 2¹⁰ = 121313219299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121313225323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1616783 + ... + 1690151.

It is an arithmetic number, because the mean of its divisors is an integer number (15256704540).

Almost surely, 2^121313220323 is an apocalyptic number.

121313220323 is a deficient number, since it is larger than the sum of its proper divisors (740415997).

121313220323 is an equidigital number, since it uses as much as digits as its factorization.

121313220323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83437.

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

Adding to 121313220323 its reverse (323022313121), we get a palindrome (444335533444).

The spelling of 121313220323 in words is "one hundred twenty-one billion, three hundred thirteen million, two hundred twenty thousand, three hundred twenty-three".