102443130437 has 2 divisors, whose sum is σ = 102443130438. Its totient is φ = 102443130436.

The previous prime is 102443130323. The next prime is 102443130451. The reversal of 102443130437 is 734031344201.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 62780814721 + 39662315716 = 250561^2 + 199154^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102443130437 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102443130467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51221565218 + 51221565219.

It is an arithmetic number, because the mean of its divisors is an integer number (51221565219).

Almost surely, 2^102443130437 is an apocalyptic number.

It is an amenable number.

102443130437 is a deficient number, since it is larger than the sum of its proper divisors (1).

102443130437 is an equidigital number, since it uses as much as digits as its factorization.

102443130437 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 32.

Adding to 102443130437 its reverse (734031344201), we get a palindrome (836474474638).

The spelling of 102443130437 in words is "one hundred two billion, four hundred forty-three million, one hundred thirty thousand, four hundred thirty-seven".