120423143 has 2 divisors, whose sum is σ = 120423144. Its totient is φ = 120423142.

The previous prime is 120423139. The next prime is 120423157. The reversal of 120423143 is 341324021.

It is a weak prime.

It is an emirp because it is prime and its reverse (341324021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 120423143 - 2² = 120423139 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120423113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60211571 + 60211572.

It is an arithmetic number, because the mean of its divisors is an integer number (60211572).

Almost surely, 2^120423143 is an apocalyptic number.

120423143 is a deficient number, since it is larger than the sum of its proper divisors (1).

120423143 is an equidigital number, since it uses as much as digits as its factorization.

120423143 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 120423143 is about 10973.7479012414. The cubic root of 120423143 is about 493.8214905189.

Adding to 120423143 its reverse (341324021), we get a palindrome (461747164).

The spelling of 120423143 in words is "one hundred twenty million, four hundred twenty-three thousand, one hundred forty-three".