417423143 has 2 divisors, whose sum is σ = 417423144. Its totient is φ = 417423142.

The previous prime is 417423137. The next prime is 417423191. The reversal of 417423143 is 341324714.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 417423143 - 2¹⁶ = 417357607 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (417423133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 208711571 + 208711572.

It is an arithmetic number, because the mean of its divisors is an integer number (208711572).

Almost surely, 2^417423143 is an apocalyptic number.

417423143 is a deficient number, since it is larger than the sum of its proper divisors (1).

417423143 is an equidigital number, since it uses as much as digits as its factorization.

417423143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8064, while the sum is 29.

The square root of 417423143 is about 20430.9359305931. The cubic root of 417423143 is about 747.3525280379.

Adding to 417423143 its reverse (341324714), we get a palindrome (758747857).

The spelling of 417423143 in words is "four hundred seventeen million, four hundred twenty-three thousand, one hundred forty-three".