2002323100123 has 2 divisors, whose sum is σ = 2002323100124. Its totient is φ = 2002323100122.

The previous prime is 2002323100081. The next prime is 2002323100159. The reversal of 2002323100123 is 3210013232002.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2002323100123 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2002323100123.

It is not a weakly prime, because it can be changed into another prime (2002323104123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1001161550061 + 1001161550062.

It is an arithmetic number, because the mean of its divisors is an integer number (1001161550062).

Almost surely, 2^{2002323100123} is an apocalyptic number.

2002323100123 is a deficient number, since it is larger than the sum of its proper divisors (1).

2002323100123 is an equidigital number, since it uses as much as digits as its factorization.

2002323100123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 2002323100123 its reverse (3210013232002), we get a palindrome (5212336332125).

The spelling of 2002323100123 in words is "two trillion, two billion, three hundred twenty-three million, one hundred thousand, one hundred twenty-three".