201323523 has 8 divisors (see below), whose sum is σ = 269348688. Its totient is φ = 133757024.

The previous prime is 201323519. The next prime is 201323527. The reversal of 201323523 is 325323102.

It is an interprime number because it is at equal distance from previous prime (201323519) and next prime (201323527).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 201323523 - 2² = 201323519 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 201323523.

It is not an unprimeable number, because it can be changed into a prime (201323527) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113640 + ... + 115397.

It is an arithmetic number, because the mean of its divisors is an integer number (33668586).

Almost surely, 2^201323523 is an apocalyptic number.

201323523 is a deficient number, since it is larger than the sum of its proper divisors (68025165).

201323523 is a wasteful number, since it uses less digits than its factorization.

201323523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229333.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 201323523 is about 14188.8520677326. The cubic root of 201323523 is about 586.0907140567.

Adding to 201323523 its reverse (325323102), we get a palindrome (526646625).

The spelling of 201323523 in words is "two hundred one million, three hundred twenty-three thousand, five hundred twenty-three".