1202102320423 has 2 divisors, whose sum is σ = 1202102320424. Its totient is φ = 1202102320422.

The previous prime is 1202102320373. The next prime is 1202102320469. The reversal of 1202102320423 is 3240232012021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1202102320423 - 2²¹ = 1202100223271 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1202102320394 and 1202102320403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1202102320483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601051160211 + 601051160212.

It is an arithmetic number, because the mean of its divisors is an integer number (601051160212).

Almost surely, 2^{1202102320423} is an apocalyptic number.

1202102320423 is a deficient number, since it is larger than the sum of its proper divisors (1).

1202102320423 is an equidigital number, since it uses as much as digits as its factorization.

1202102320423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 1202102320423 its reverse (3240232012021), we get a palindrome (4442334332444).

The spelling of 1202102320423 in words is "one trillion, two hundred two billion, one hundred two million, three hundred twenty thousand, four hundred twenty-three".