121023201111323 has 8 divisors (see below), whose sum is σ = 138313226599392. Its totient is φ = 103733424812736.

The previous prime is 121023201111271. The next prime is 121023201111353. The reversal of 121023201111323 is 323111102320121.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 121023201111323 - 2¹⁸ = 121023200849179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121023201111353) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61255490 + ... + 63200327.

It is an arithmetic number, because the mean of its divisors is an integer number (17289153324924).

Almost surely, 2^{121023201111323} is an apocalyptic number.

121023201111323 is a deficient number, since it is larger than the sum of its proper divisors (17290025488069).

121023201111323 is a wasteful number, since it uses less digits than its factorization.

121023201111323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124594741.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 121023201111323 its reverse (323111102320121), we get a palindrome (444134303431444).

The spelling of 121023201111323 in words is "one hundred twenty-one trillion, twenty-three billion, two hundred one million, one hundred eleven thousand, three hundred twenty-three".