1002130223 has 4 divisors (see below), whose sum is σ = 1004139000. Its totient is φ = 1000121448.

The previous prime is 1002130187. The next prime is 1002130231. The reversal of 1002130223 is 3220312001.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1002130223 - 2²⁴ = 985353007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1002130198 and 1002130207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002930223) 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, 1003640 + ... + 1004637.

It is an arithmetic number, because the mean of its divisors is an integer number (251034750).

Almost surely, 2^1002130223 is an apocalyptic number.

1002130223 is a deficient number, since it is larger than the sum of its proper divisors (2008777).

1002130223 is an equidigital number, since it uses as much as digits as its factorization.

1002130223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2008776.

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

The square root of 1002130223 is about 31656.4404663569. The cubic root of 1002130223 is about 1000.7095707236.

Adding to 1002130223 its reverse (3220312001), we get a palindrome (4222442224).

The spelling of 1002130223 in words is "one billion, two million, one hundred thirty thousand, two hundred twenty-three".