1002313223 has 4 divisors (see below), whose sum is σ = 1002725280. Its totient is φ = 1001901168.

The previous prime is 1002313201. The next prime is 1002313237. The reversal of 1002313223 is 3223132001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3223132001 = 769 ⋅4191329.

It is a cyclic number.

It is not a de Polignac number, because 1002313223 - 2⁸ = 1002312967 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 (1002313423) 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 3 ways as a sum of consecutive naturals, for example, 202358 + ... + 207251.

It is an arithmetic number, because the mean of its divisors is an integer number (250681320).

Almost surely, 2^1002313223 is an apocalyptic number.

1002313223 is a deficient number, since it is larger than the sum of its proper divisors (412057).

1002313223 is an equidigital number, since it uses as much as digits as its factorization.

1002313223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412056.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 1002313223 is about 31659.3307415049. The cubic root of 1002313223 is about 1000.7704805406.

Adding to 1002313223 its reverse (3223132001), we get a palindrome (4225445224).

The spelling of 1002313223 in words is "one billion, two million, three hundred thirteen thousand, two hundred twenty-three".