121223102323 has 4 divisors (see below), whose sum is σ = 121239506728. Its totient is φ = 121206697920.

The previous prime is 121223102293. The next prime is 121223102389. The reversal of 121223102323 is 323201322121.

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 121223102323 - 2¹⁷ = 121222971251 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121223102294 and 121223102303.

It is not an unprimeable number, because it can be changed into a prime (121223102023) 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, 8191113 + ... + 8205898.

It is an arithmetic number, because the mean of its divisors is an integer number (30309876682).

Almost surely, 2^121223102323 is an apocalyptic number.

121223102323 is a deficient number, since it is larger than the sum of its proper divisors (16404405).

121223102323 is an equidigital number, since it uses as much as digits as its factorization.

121223102323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16404404.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 121223102323 its reverse (323201322121), we get a palindrome (444424424444).

The spelling of 121223102323 in words is "one hundred twenty-one billion, two hundred twenty-three million, one hundred two thousand, three hundred twenty-three".