121324110323 has 4 divisors (see below), whose sum is σ = 130656734208. Its totient is φ = 111991486440.

The previous prime is 121324110317. The next prime is 121324110359. The reversal of 121324110323 is 323011423121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 323011423121 = 16253 ⋅19873957.

It is a cyclic number.

It is not a de Polignac number, because 121324110323 - 2⁸ = 121324110067 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121324110373) 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, 4666311923 + ... + 4666311948.

It is an arithmetic number, because the mean of its divisors is an integer number (32664183552).

Almost surely, 2^121324110323 is an apocalyptic number.

121324110323 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

121324110323 is a deficient number, since it is larger than the sum of its proper divisors (9332623885).

121324110323 is an equidigital number, since it uses as much as digits as its factorization.

121324110323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9332623884.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 121324110323 its reverse (323011423121), we get a palindrome (444335533444).

The spelling of 121324110323 in words is "one hundred twenty-one billion, three hundred twenty-four million, one hundred ten thousand, three hundred twenty-three".