121350223 has 2 divisors, whose sum is σ = 121350224. Its totient is φ = 121350222.

The previous prime is 121350221. The next prime is 121350253. The reversal of 121350223 is 322053121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121350223 - 2¹ = 121350221 is a prime.

Together with 121350221, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 121350223.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121350221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60675111 + 60675112.

It is an arithmetic number, because the mean of its divisors is an integer number (60675112).

Almost surely, 2^121350223 is an apocalyptic number.

121350223 is a deficient number, since it is larger than the sum of its proper divisors (1).

121350223 is an equidigital number, since it uses as much as digits as its factorization.

121350223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 121350223 is about 11015.9077247406. The cubic root of 121350223 is about 495.0854839951.

The spelling of 121350223 in words is "one hundred twenty-one million, three hundred fifty thousand, two hundred twenty-three".