1002140323 has 2 divisors, whose sum is σ = 1002140324. Its totient is φ = 1002140322.

The previous prime is 1002140299. The next prime is 1002140333. The reversal of 1002140323 is 3230412001.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1002140323 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1002140297 and 1002140306.

It is not a weakly prime, because it can be changed into another prime (1002140333) 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 as a sum of consecutive naturals, namely, 501070161 + 501070162.

It is an arithmetic number, because the mean of its divisors is an integer number (501070162).

Almost surely, 2^1002140323 is an apocalyptic number.

1002140323 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002140323 is an equidigital number, since it uses as much as digits as its factorization.

1002140323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1002140323 is about 31656.5999911551. The cubic root of 1002140323 is about 1000.7129326063.

Adding to 1002140323 its reverse (3230412001), we get a palindrome (4232552324).

The spelling of 1002140323 in words is "one billion, two million, one hundred forty thousand, three hundred twenty-three".