121203323 has 4 divisors (see below), whose sum is σ = 122663688. Its totient is φ = 119742960.

The previous prime is 121203193. The next prime is 121203347. The reversal of 121203323 is 323302121.

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 121203323 - 2¹² = 121199227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121203373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 730058 + ... + 730223.

It is an arithmetic number, because the mean of its divisors is an integer number (30665922).

Almost surely, 2^121203323 is an apocalyptic number.

121203323 is a deficient number, since it is larger than the sum of its proper divisors (1460365).

121203323 is an equidigital number, since it uses as much as digits as its factorization.

121203323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1460364.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 121203323 is about 11009.2380753620. The cubic root of 121203323 is about 494.8856287815.

Adding to 121203323 its reverse (323302121), we get a palindrome (444505444).

The spelling of 121203323 in words is "one hundred twenty-one million, two hundred three thousand, three hundred twenty-three".