1210023203171 has 2 divisors, whose sum is σ = 1210023203172. Its totient is φ = 1210023203170.

The previous prime is 1210023203093. The next prime is 1210023203197. The reversal of 1210023203171 is 1713023200121.

It is a strong prime.

It is an emirp because it is prime and its reverse (1713023200121) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1210023203171 is a prime.

It is not a weakly prime, because it can be changed into another prime (1210023203771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 605011601585 + 605011601586.

It is an arithmetic number, because the mean of its divisors is an integer number (605011601586).

Almost surely, 2^{1210023203171} is an apocalyptic number.

1210023203171 is a deficient number, since it is larger than the sum of its proper divisors (1).

1210023203171 is an equidigital number, since it uses as much as digits as its factorization.

1210023203171 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 23.

Adding to 1210023203171 its reverse (1713023200121), we get a palindrome (2923046403292).

The spelling of 1210023203171 in words is "one trillion, two hundred ten billion, twenty-three million, two hundred three thousand, one hundred seventy-one".