102323201221013 has 2 divisors, whose sum is σ = 102323201221014. Its totient is φ = 102323201221012.

The previous prime is 102323201220953. The next prime is 102323201221057. The reversal of 102323201221013 is 310122102323201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 63703352547844 + 38619848673169 = 7981438^2 + 6214487^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102323201221013 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 102323201221013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102323201221613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51161600610506 + 51161600610507.

It is an arithmetic number, because the mean of its divisors is an integer number (51161600610507).

Almost surely, 2^{102323201221013} is an apocalyptic number.

It is an amenable number.

102323201221013 is a deficient number, since it is larger than the sum of its proper divisors (1).

102323201221013 is an equidigital number, since it uses as much as digits as its factorization.

102323201221013 is an evil number, because the sum of its binary digits is even.

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

Adding to 102323201221013 its reverse (310122102323201), we get a palindrome (412445303544214).

The spelling of 102323201221013 in words is "one hundred two trillion, three hundred twenty-three billion, two hundred one million, two hundred twenty-one thousand, thirteen".