121320310101323 has 4 divisors (see below), whose sum is σ = 127705589580360. Its totient is φ = 114935030622288.

The previous prime is 121320310101311. The next prime is 121320310101343. The reversal of 121320310101323 is 323101013023121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 121320310101323 - 2⁴ = 121320310101307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121320310101343) 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, 3192639739490 + ... + 3192639739527.

It is an arithmetic number, because the mean of its divisors is an integer number (31926397395090).

Almost surely, 2^{121320310101323} is an apocalyptic number.

121320310101323 is a deficient number, since it is larger than the sum of its proper divisors (6385279479037).

121320310101323 is an equidigital number, since it uses as much as digits as its factorization.

121320310101323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6385279479036.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 121320310101323 its reverse (323101013023121), we get a palindrome (444421323124444).

The spelling of 121320310101323 in words is "one hundred twenty-one trillion, three hundred twenty billion, three hundred ten million, one hundred one thousand, three hundred twenty-three".