201315323 has 6 divisors (see below), whose sum is σ = 221280612. Its totient is φ = 183013820.

The previous prime is 201315307. The next prime is 201315347. The reversal of 201315323 is 323513102.

It is not a de Polignac number, because 201315323 - 2⁴ = 201315307 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201315295 and 201315304.

It is not an unprimeable number, because it can be changed into a prime (201315383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 831761 + ... + 832002.

It is an arithmetic number, because the mean of its divisors is an integer number (36880102).

Almost surely, 2^201315323 is an apocalyptic number.

201315323 is a deficient number, since it is larger than the sum of its proper divisors (19965289).

201315323 is a wasteful number, since it uses less digits than its factorization.

201315323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1663785 (or 1663774 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 201315323 is about 14188.5631055438. The cubic root of 201315323 is about 586.0827567002.

Adding to 201315323 its reverse (323513102), we get a palindrome (524828425).

The spelling of 201315323 in words is "two hundred one million, three hundred fifteen thousand, three hundred twenty-three".