1001323323 has 64 divisors (see below), whose sum is σ = 1991808000. Its totient is φ = 480142080.

The previous prime is 1001323321. The next prime is 1001323333. The reversal of 1001323323 is 3233231001.

It is not a de Polignac number, because 1001323323 - 2¹ = 1001323321 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1001323296 and 1001323305.

It is not an unprimeable number, because it can be changed into a prime (1001323321) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8503 + ... + 45551.

It is an arithmetic number, because the mean of its divisors is an integer number (31122000).

Almost surely, 2^1001323323 is an apocalyptic number.

1001323323 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1001323323 is a deficient number, since it is larger than the sum of its proper divisors (990484677).

1001323323 is a wasteful number, since it uses less digits than its factorization.

1001323323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37089 (or 37083 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 1001323323 is about 31643.6932578990. The cubic root of 1001323323 is about 1000.4409132336.

Adding to 1001323323 its reverse (3233231001), we get a palindrome (4234554324).

It can be divided in two parts, 1001 and 323323, that multiplied together give a palindrome (323646323).

The spelling of 1001323323 in words is "one billion, one million, three hundred twenty-three thousand, three hundred twenty-three".