201001132223 has 4 divisors (see below), whose sum is σ = 201003207888. Its totient is φ = 200999056560.

The previous prime is 201001132219. The next prime is 201001132231. The reversal of 201001132223 is 322231100102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 201001132223 - 2² = 201001132219 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 (201001132243) 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, 885083 + ... + 1088748.

It is an arithmetic number, because the mean of its divisors is an integer number (50250801972).

Almost surely, 2^201001132223 is an apocalyptic number.

201001132223 is a deficient number, since it is larger than the sum of its proper divisors (2075665).

201001132223 is a wasteful number, since it uses less digits than its factorization.

201001132223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2075664.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 201001132223 its reverse (322231100102), we get a palindrome (523232232325).

The spelling of 201001132223 in words is "two hundred one billion, one million, one hundred thirty-two thousand, two hundred twenty-three".