102113443 has 2 divisors, whose sum is σ = 102113444. Its totient is φ = 102113442.

The previous prime is 102113383. The next prime is 102113449. The reversal of 102113443 is 344311201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 102113443 - 2¹³ = 102105251 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 102113443.

It is not a weakly prime, because it can be changed into another prime (102113449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51056721 + 51056722.

It is an arithmetic number, because the mean of its divisors is an integer number (51056722).

Almost surely, 2^102113443 is an apocalyptic number.

102113443 is a deficient number, since it is larger than the sum of its proper divisors (1).

102113443 is an equidigital number, since it uses as much as digits as its factorization.

102113443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 102113443 is about 10105.1196430324. The cubic root of 102113443 is about 467.4060253215.

Adding to 102113443 its reverse (344311201), we get a palindrome (446424644).

The spelling of 102113443 in words is "one hundred two million, one hundred thirteen thousand, four hundred forty-three".