102243130443 has 8 divisors (see below), whose sum is σ = 151471304400. Its totient is φ = 68162086944.

The previous prime is 102243130421. The next prime is 102243130453. The reversal of 102243130443 is 344031342201.

It is not a de Polignac number, because 102243130443 - 2⁵ = 102243130411 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 3786782609 = 102243130443 / (1 + 0 + 2 + 2 + 4 + 3 + 1 + 3 + 0 + 4 + 4 + 3).

It is not an unprimeable number, because it can be changed into a prime (102243130403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1893391278 + ... + 1893391331.

It is an arithmetic number, because the mean of its divisors is an integer number (18933913050).

Almost surely, 2^102243130443 is an apocalyptic number.

102243130443 is a deficient number, since it is larger than the sum of its proper divisors (49228173957).

102243130443 is an equidigital number, since it uses as much as digits as its factorization.

102243130443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3786782618 (or 3786782612 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 102243130443 its reverse (344031342201), we get a palindrome (446274472644).

The spelling of 102243130443 in words is "one hundred two billion, two hundred forty-three million, one hundred thirty thousand, four hundred forty-three".