102231443 has 2 divisors, whose sum is σ = 102231444. Its totient is φ = 102231442.

The previous prime is 102231431. The next prime is 102231449. The reversal of 102231443 is 344132201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 102231443 - 2¹² = 102227347 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (102231449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51115721 + 51115722.

It is an arithmetic number, because the mean of its divisors is an integer number (51115722).

Almost surely, 2^102231443 is an apocalyptic number.

102231443 is a deficient number, since it is larger than the sum of its proper divisors (1).

102231443 is an equidigital number, since it uses as much as digits as its factorization.

102231443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 102231443 is about 10110.9565818472. The cubic root of 102231443 is about 467.5859973151.

Adding to 102231443 its reverse (344132201), we get a palindrome (446363644).

The spelling of 102231443 in words is "one hundred two million, two hundred thirty-one thousand, four hundred forty-three".