201775223 has 4 divisors (see below), whose sum is σ = 217296408. Its totient is φ = 186254040.

The previous prime is 201775219. The next prime is 201775253. The reversal of 201775223 is 322577102.

201775223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 322577102 = 2 ⋅161288551.

It is a cyclic number.

It is not a de Polignac number, because 201775223 - 2² = 201775219 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201775253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7760573 + ... + 7760598.

It is an arithmetic number, because the mean of its divisors is an integer number (54324102).

Almost surely, 2^201775223 is an apocalyptic number.

201775223 is a deficient number, since it is larger than the sum of its proper divisors (15521185).

201775223 is a wasteful number, since it uses less digits than its factorization.

201775223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15521184.

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 201775223 is about 14204.7605752438. The cubic root of 201775223 is about 586.5287145865.

The spelling of 201775223 in words is "two hundred one million, seven hundred seventy-five thousand, two hundred twenty-three".