203424071 has 2 divisors, whose sum is σ = 203424072. Its totient is φ = 203424070.

The previous prime is 203424047. The next prime is 203424103. The reversal of 203424071 is 170424302.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-203424071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (203424031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101712035 + 101712036.

It is an arithmetic number, because the mean of its divisors is an integer number (101712036).

Almost surely, 2^203424071 is an apocalyptic number.

203424071 is a deficient number, since it is larger than the sum of its proper divisors (1).

203424071 is an equidigital number, since it uses as much as digits as its factorization.

203424071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 203424071 is about 14262.6810593240. The cubic root of 203424071 is about 588.1220293340.

Adding to 203424071 its reverse (170424302), we get a palindrome (373848373).

The spelling of 203424071 in words is "two hundred three million, four hundred twenty-four thousand, seventy-one".