102106457443 has 2 divisors, whose sum is σ = 102106457444. Its totient is φ = 102106457442.

The previous prime is 102106457423. The next prime is 102106457447. The reversal of 102106457443 is 344754601201.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102106457443 is a prime.

It is not a weakly prime, because it can be changed into another prime (102106457447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51053228721 + 51053228722.

It is an arithmetic number, because the mean of its divisors is an integer number (51053228722).

Almost surely, 2^102106457443 is an apocalyptic number.

102106457443 is a deficient number, since it is larger than the sum of its proper divisors (1).

102106457443 is an equidigital number, since it uses as much as digits as its factorization.

102106457443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80640, while the sum is 37.

The spelling of 102106457443 in words is "one hundred two billion, one hundred six million, four hundred fifty-seven thousand, four hundred forty-three".