121223323 has 4 divisors (see below), whose sum is σ = 130548208. Its totient is φ = 111898440.

The previous prime is 121223279. The next prime is 121223351. The reversal of 121223323 is 323322121.

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 121223323 - 2¹³ = 121215131 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 121223323.

It is not an unprimeable number, because it can be changed into a prime (121223623) 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, 4662423 + ... + 4662448.

It is an arithmetic number, because the mean of its divisors is an integer number (32637052).

Almost surely, 2^121223323 is an apocalyptic number.

121223323 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

121223323 is a deficient number, since it is larger than the sum of its proper divisors (9324885).

121223323 is an equidigital number, since it uses as much as digits as its factorization.

121223323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9324884.

The product of its digits is 432, while the sum is 19.

The square root of 121223323 is about 11010.1463659663. The cubic root of 121223323 is about 494.9128479698.

Adding to 121223323 its reverse (323322121), we get a palindrome (444545444).

The spelling of 121223323 in words is "one hundred twenty-one million, two hundred twenty-three thousand, three hundred twenty-three".