102321312143 has 2 divisors, whose sum is σ = 102321312144. Its totient is φ = 102321312142.

The previous prime is 102321312139. The next prime is 102321312173. The reversal of 102321312143 is 341213123201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102321312143 - 2² = 102321312139 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102321312173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51160656071 + 51160656072.

It is an arithmetic number, because the mean of its divisors is an integer number (51160656072).

Almost surely, 2^102321312143 is an apocalyptic number.

102321312143 is a deficient number, since it is larger than the sum of its proper divisors (1).

102321312143 is an equidigital number, since it uses as much as digits as its factorization.

102321312143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 102321312143 its reverse (341213123201), we get a palindrome (443534435344).

The spelling of 102321312143 in words is "one hundred two billion, three hundred twenty-one million, three hundred twelve thousand, one hundred forty-three".