1002031223 has 8 divisors (see below), whose sum is σ = 1012595760. Its totient is φ = 991491840.

The previous prime is 1002031207. The next prime is 1002031273. The reversal of 1002031223 is 3221302001.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1002031223 - 2⁴ = 1002031207 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1002031198 and 1002031207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002031273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79943 + ... + 91623.

It is an arithmetic number, because the mean of its divisors is an integer number (126574470).

Almost surely, 2^1002031223 is an apocalyptic number.

1002031223 is a deficient number, since it is larger than the sum of its proper divisors (10564537).

1002031223 is a wasteful number, since it uses less digits than its factorization.

1002031223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12577.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 1002031223 is about 31654.8767648841. The cubic root of 1002031223 is about 1000.6766164203.

Adding to 1002031223 its reverse (3221302001), we get a palindrome (4223333224).

The spelling of 1002031223 in words is "one billion, two million, thirty-one thousand, two hundred twenty-three".