121430323 has 16 divisors (see below), whose sum is σ = 143503360. Its totient is φ = 100590336.

The previous prime is 121430299. The next prime is 121430333. The reversal of 121430323 is 323034121.

It is not a de Polignac number, because 121430323 - 2⁵ = 121430291 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 121430323.

It is not an unprimeable number, because it can be changed into a prime (121430333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27118 + ... + 31276.

It is an arithmetic number, because the mean of its divisors is an integer number (8968960).

Almost surely, 2^121430323 is an apocalyptic number.

121430323 is a deficient number, since it is larger than the sum of its proper divisors (22073037).

121430323 is an equidigital number, since it uses as much as digits as its factorization.

121430323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4306.

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

The square root of 121430323 is about 11019.5427763587. The cubic root of 121430323 is about 495.1943908822.

Adding to 121430323 its reverse (323034121), we get a palindrome (444464444).

The spelling of 121430323 in words is "one hundred twenty-one million, four hundred thirty thousand, three hundred twenty-three".