121323323 has 4 divisors (see below), whose sum is σ = 132352728. Its totient is φ = 110293920.

The previous prime is 121323313. The next prime is 121323337. The reversal of 121323323 is 323323121.

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

It is a de Polignac number, because none of the positive numbers 2^k-121323323 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121323295 and 121323304.

It is not an unprimeable number, because it can be changed into a prime (121323313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5514686 + ... + 5514707.

It is an arithmetic number, because the mean of its divisors is an integer number (33088182).

Almost surely, 2^121323323 is an apocalyptic number.

121323323 is a deficient number, since it is larger than the sum of its proper divisors (11029405).

121323323 is a wasteful number, since it uses less digits than its factorization.

121323323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11029404.

The product of its digits is 648, while the sum is 20.

The square root of 121323323 is about 11014.6866954989. The cubic root of 121323323 is about 495.0488990227.

Adding to 121323323 its reverse (323323121), we get a palindrome (444646444).

The spelling of 121323323 in words is "one hundred twenty-one million, three hundred twenty-three thousand, three hundred twenty-three".