1001315323 has 4 divisors (see below), whose sum is σ = 1001403000. Its totient is φ = 1001227648.

The previous prime is 1001315321. The next prime is 1001315339. The reversal of 1001315323 is 3235131001.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 3235131001 = 37 ⋅87435973.

It is a cyclic number.

It is not a de Polignac number, because 1001315323 - 2¹ = 1001315321 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1001315323.

It is not an unprimeable number, because it can be changed into a prime (1001315321) 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 3 ways as a sum of consecutive naturals, for example, 23590 + ... + 50587.

It is an arithmetic number, because the mean of its divisors is an integer number (250350750).

Almost surely, 2^1001315323 is an apocalyptic number.

1001315323 is a deficient number, since it is larger than the sum of its proper divisors (87677).

1001315323 is an equidigital number, since it uses as much as digits as its factorization.

1001315323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87676.

The product of its (nonzero) digits is 270, while the sum is 19.

The square root of 1001315323 is about 31643.5668501514. The cubic root of 1001315323 is about 1000.4382489098.

Adding to 1001315323 its reverse (3235131001), we get a palindrome (4236446324).

The spelling of 1001315323 in words is "one billion, one million, three hundred fifteen thousand, three hundred twenty-three".