102423143 has 2 divisors, whose sum is σ = 102423144. Its totient is φ = 102423142.

The previous prime is 102423137. The next prime is 102423151. The reversal of 102423143 is 341324201.

It is a weak prime.

It is an emirp because it is prime and its reverse (341324201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 102423143 - 2⁴ = 102423127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102423443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51211571 + 51211572.

It is an arithmetic number, because the mean of its divisors is an integer number (51211572).

Almost surely, 2^102423143 is an apocalyptic number.

102423143 is a deficient number, since it is larger than the sum of its proper divisors (1).

102423143 is an equidigital number, since it uses as much as digits as its factorization.

102423143 is an odious number, because the sum of its binary digits is odd.

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

The square root of 102423143 is about 10120.4319571844. The cubic root of 102423143 is about 467.8780805334.

Adding to 102423143 its reverse (341324201), we get a palindrome (443747344).

The spelling of 102423143 in words is "one hundred two million, four hundred twenty-three thousand, one hundred forty-three".