1001213323 has 8 divisors (see below), whose sum is σ = 1107195696. Its totient is φ = 897724800.

The previous prime is 1001213309. The next prime is 1001213329. The reversal of 1001213323 is 3233121001.

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

It is a de Polignac number, because none of the positive numbers 2^k-1001213323 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1001213297 and 1001213306.

It is not an unprimeable number, because it can be changed into a prime (1001213329) 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, 622618 + ... + 624223.

It is an arithmetic number, because the mean of its divisors is an integer number (138399462).

Almost surely, 2^1001213323 is an apocalyptic number.

1001213323 is a deficient number, since it is larger than the sum of its proper divisors (105982373).

1001213323 is a wasteful number, since it uses less digits than its factorization.

1001213323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1246925.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 1001213323 is about 31641.9551071042. The cubic root of 1001213323 is about 1000.4042775376.

Adding to 1001213323 its reverse (3233121001), we get a palindrome (4234334324).

The spelling of 1001213323 in words is "one billion, one million, two hundred thirteen thousand, three hundred twenty-three".