201244323 has 12 divisors (see below), whose sum is σ = 312134280. Its totient is φ = 114996672.

The previous prime is 201244321. The next prime is 201244367. The reversal of 201244323 is 323442102.

It is not a de Polignac number, because 201244323 - 2¹ = 201244321 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 201244323.

It is not an unprimeable number, because it can be changed into a prime (201244321) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 684358 + ... + 684651.

It is an arithmetic number, because the mean of its divisors is an integer number (26011190).

Almost surely, 2^201244323 is an apocalyptic number.

201244323 is a deficient number, since it is larger than the sum of its proper divisors (110889957).

201244323 is a wasteful number, since it uses less digits than its factorization.

201244323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1369026 (or 1369019 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 201244323 is about 14186.0608697411. The cubic root of 201244323 is about 586.0138486013.

Adding to 201244323 its reverse (323442102), we get a palindrome (524686425).

The spelling of 201244323 in words is "two hundred one million, two hundred forty-four thousand, three hundred twenty-three".