201223853 has 2 divisors, whose sum is σ = 201223854. Its totient is φ = 201223852.

The previous prime is 201223831. The next prime is 201223907. The reversal of 201223853 is 358322102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 153710404 + 47513449 = 12398^2 + 6893^2 .

It is a cyclic number.

It is not a de Polignac number, because 201223853 - 2¹⁴ = 201207469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201220853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100611926 + 100611927.

It is an arithmetic number, because the mean of its divisors is an integer number (100611927).

Almost surely, 2^201223853 is an apocalyptic number.

It is an amenable number.

201223853 is a deficient number, since it is larger than the sum of its proper divisors (1).

201223853 is an equidigital number, since it uses as much as digits as its factorization.

201223853 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 201223853 is about 14185.3393685171. The cubic root of 201223853 is about 585.9939787071.

Adding to 201223853 its reverse (358322102), we get a palindrome (559545955).

The spelling of 201223853 in words is "two hundred one million, two hundred twenty-three thousand, eight hundred fifty-three".