1002323123 has 2 divisors, whose sum is σ = 1002323124. Its totient is φ = 1002323122.

The previous prime is 1002323107. The next prime is 1002323167. The reversal of 1002323123 is 3213232001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1002323123 - 2⁴ = 1002323107 is a prime.

It is not a weakly prime, because it can be changed into another prime (1002323423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501161561 + 501161562.

It is an arithmetic number, because the mean of its divisors is an integer number (501161562).

Almost surely, 2^1002323123 is an apocalyptic number.

1002323123 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002323123 is an equidigital number, since it uses as much as digits as its factorization.

1002323123 is an evil number, because the sum of its binary digits is even.

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

The square root of 1002323123 is about 31659.4870931290. The cubic root of 1002323123 is about 1000.7737754505.

Adding to 1002323123 its reverse (3213232001), we get a palindrome (4215555124).

The spelling of 1002323123 in words is "one billion, two million, three hundred twenty-three thousand, one hundred twenty-three".