1230202023139 has 2 divisors, whose sum is σ = 1230202023140. Its totient is φ = 1230202023138.

The previous prime is 1230202023077. The next prime is 1230202023203. The reversal of 1230202023139 is 9313202020321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1230202023139 - 2⁹ = 1230202022627 is a prime.

It is not a weakly prime, because it can be changed into another prime (1230202023539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615101011569 + 615101011570.

It is an arithmetic number, because the mean of its divisors is an integer number (615101011570).

Almost surely, 2^{1230202023139} is an apocalyptic number.

1230202023139 is a deficient number, since it is larger than the sum of its proper divisors (1).

1230202023139 is an equidigital number, since it uses as much as digits as its factorization.

1230202023139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 28.

The spelling of 1230202023139 in words is "one trillion, two hundred thirty billion, two hundred two million, twenty-three thousand, one hundred thirty-nine".