1002323223 has 18 divisors (see below), whose sum is σ = 1591385432. Its totient is φ = 607467960.

The previous prime is 1002323197. The next prime is 1002323239. The reversal of 1002323223 is 3223232001.

It is a happy number.

It is not a de Polignac number, because 1002323223 - 2⁵ = 1002323191 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1002323196 and 1002323205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002323123) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 459115 + ... + 461292.

Almost surely, 2^1002323223 is an apocalyptic number.

1002323223 is a deficient number, since it is larger than the sum of its proper divisors (589062209).

1002323223 is a wasteful number, since it uses less digits than its factorization.

1002323223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 920435 (or 920421 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 1002323223 is about 31659.4886724344. The cubic root of 1002323223 is about 1000.7738087323.

Adding to 1002323223 its reverse (3223232001), we get a palindrome (4225555224).

The spelling of 1002323223 in words is "one billion, two million, three hundred twenty-three thousand, two hundred twenty-three".