121773030223 has 32 divisors (see below), whose sum is σ = 135630173952. Its totient is φ = 108602726400.

The previous prime is 121773030193. The next prime is 121773030241. The reversal of 121773030223 is 322030377121.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121773030223 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121773030523) 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 31 ways as a sum of consecutive naturals, for example, 48302203 + ... + 48304723.

It is an arithmetic number, because the mean of its divisors is an integer number (4238442936).

Almost surely, 2^121773030223 is an apocalyptic number.

121773030223 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

121773030223 is a deficient number, since it is larger than the sum of its proper divisors (13857143729).

121773030223 is a wasteful number, since it uses less digits than its factorization.

121773030223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3235.

The product of its (nonzero) digits is 10584, while the sum is 31.

The spelling of 121773030223 in words is "one hundred twenty-one billion, seven hundred seventy-three million, thirty thousand, two hundred twenty-three".