1011001323 has 8 divisors (see below), whose sum is σ = 1356929536. Its totient is φ = 669537000.

The previous prime is 1011001307. The next prime is 1011001333. The reversal of 1011001323 is 3231001101.

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

It is not a de Polignac number, because 1011001323 - 2⁴ = 1011001307 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1011001299 and 1011001308.

It is not an unprimeable number, because it can be changed into a prime (1011001333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1115443 + ... + 1116348.

It is an arithmetic number, because the mean of its divisors is an integer number (169616192).

Almost surely, 2^1011001323 is an apocalyptic number.

1011001323 is a deficient number, since it is larger than the sum of its proper divisors (345928213).

1011001323 is a wasteful number, since it uses less digits than its factorization.

1011001323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2231945.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 1011001323 is about 31796.2469955182. The cubic root of 1011001323 is about 1003.6537415802.

Adding to 1011001323 its reverse (3231001101), we get a palindrome (4242002424).

The spelling of 1011001323 in words is "one billion, eleven million, one thousand, three hundred twenty-three".