223354121 has 2 divisors, whose sum is σ = 223354122. Its totient is φ = 223354120.

The previous prime is 223354111. The next prime is 223354141. The reversal of 223354121 is 121453322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 211382521 + 11971600 = 14539^2 + 3460^2 .

It is a cyclic number.

It is not a de Polignac number, because 223354121 - 2⁶ = 223354057 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (223354111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111677060 + 111677061.

It is an arithmetic number, because the mean of its divisors is an integer number (111677061).

Almost surely, 2^223354121 is an apocalyptic number.

It is an amenable number.

223354121 is a deficient number, since it is larger than the sum of its proper divisors (1).

223354121 is an equidigital number, since it uses as much as digits as its factorization.

223354121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1440, while the sum is 23.

The square root of 223354121 is about 14945.0366677369. The cubic root of 223354121 is about 606.7335214265.

The spelling of 223354121 in words is "two hundred twenty-three million, three hundred fifty-four thousand, one hundred twenty-one".