102423943 has 2 divisors, whose sum is σ = 102423944. Its totient is φ = 102423942.

The previous prime is 102423917. The next prime is 102423967. The reversal of 102423943 is 349324201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 102423943 - 2¹⁷ = 102292871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102423143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51211971 + 51211972.

It is an arithmetic number, because the mean of its divisors is an integer number (51211972).

Almost surely, 2^102423943 is an apocalyptic number.

102423943 is a deficient number, since it is larger than the sum of its proper divisors (1).

102423943 is an equidigital number, since it uses as much as digits as its factorization.

102423943 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 102423943 is about 10120.4714811119. The cubic root of 102423943 is about 467.8792986874.

The spelling of 102423943 in words is "one hundred two million, four hundred twenty-three thousand, nine hundred forty-three".