1001223359 has 4 divisors (see below), whose sum is σ = 1001287704. Its totient is φ = 1001159016.

The previous prime is 1001223331. The next prime is 1001223409. The reversal of 1001223359 is 9533221001.

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: 9533221001 = 149 ⋅63981349.

It is a cyclic number.

It is not a de Polignac number, because 1001223359 - 2²⁰ = 1000174783 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001223319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7364 + ... + 45350.

It is an arithmetic number, because the mean of its divisors is an integer number (250321926).

Almost surely, 2^1001223359 is an apocalyptic number.

1001223359 is a deficient number, since it is larger than the sum of its proper divisors (64345).

1001223359 is an equidigital number, since it uses as much as digits as its factorization.

1001223359 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64344.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 1001223359 is about 31642.1136936204. The cubic root of 1001223359 is about 1000.4076201566.

The spelling of 1001223359 in words is "one billion, one million, two hundred twenty-three thousand, three hundred fifty-nine".