121663223 has 8 divisors (see below), whose sum is σ = 134705280. Its totient is φ = 108951480.

The previous prime is 121663183. The next prime is 121663229. The reversal of 121663223 is 322366121.

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

It is not a de Polignac number, because 121663223 - 2⁶ = 121663159 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121663192 and 121663201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121663229) 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, 81803 + ... + 83276.

It is an arithmetic number, because the mean of its divisors is an integer number (16838160).

Almost surely, 2^121663223 is an apocalyptic number.

121663223 is a deficient number, since it is larger than the sum of its proper divisors (13042057).

121663223 is a wasteful number, since it uses less digits than its factorization.

121663223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165157.

The product of its digits is 2592, while the sum is 26.

The square root of 121663223 is about 11030.1053032145. The cubic root of 121663223 is about 495.5107784080.

The spelling of 121663223 in words is "one hundred twenty-one million, six hundred sixty-three thousand, two hundred twenty-three".