1002309902123 has 2 divisors, whose sum is σ = 1002309902124. Its totient is φ = 1002309902122.

The previous prime is 1002309902107. The next prime is 1002309902129. The reversal of 1002309902123 is 3212099032001.

It is a strong prime.

It is an emirp because it is prime and its reverse (3212099032001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1002309902123 - 2⁴ = 1002309902107 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1002309902123.

It is not a weakly prime, because it can be changed into another prime (1002309902129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501154951061 + 501154951062.

It is an arithmetic number, because the mean of its divisors is an integer number (501154951062).

Almost surely, 2^{1002309902123} is an apocalyptic number.

1002309902123 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002309902123 is an equidigital number, since it uses as much as digits as its factorization.

1002309902123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 32.

The spelling of 1002309902123 in words is "one trillion, two billion, three hundred nine million, nine hundred two thousand, one hundred twenty-three".