121300023223 has 4 divisors (see below), whose sum is σ = 123355955880. Its totient is φ = 119244090568.

The previous prime is 121300023203. The next prime is 121300023227. The reversal of 121300023223 is 322320003121.

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 121300023223 - 2¹⁷ = 121299892151 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 121300023223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121300023227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1027966240 + ... + 1027966357.

It is an arithmetic number, because the mean of its divisors is an integer number (30838988970).

Almost surely, 2^121300023223 is an apocalyptic number.

121300023223 is a deficient number, since it is larger than the sum of its proper divisors (2055932657).

121300023223 is an equidigital number, since it uses as much as digits as its factorization.

121300023223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2055932656.

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

Adding to 121300023223 its reverse (322320003121), we get a palindrome (443620026344).

The spelling of 121300023223 in words is "one hundred twenty-one billion, three hundred million, twenty-three thousand, two hundred twenty-three".