17140423 has 2 divisors, whose sum is σ = 17140424. Its totient is φ = 17140422.

The previous prime is 17140397. The next prime is 17140429. The reversal of 17140423 is 32404171.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-17140423 is a prime.

It is a plaindrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 17140394 and 17140403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (17140429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8570211 + 8570212.

It is an arithmetic number, because the mean of its divisors is an integer number (8570212).

Almost surely, 2^17140423 is an apocalyptic number.

17140423 is a deficient number, since it is larger than the sum of its proper divisors (1).

17140423 is an equidigital number, since it uses as much as digits as its factorization.

17140423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 17140423 is about 4140.0993949421. The cubic root of 17140423 is about 257.8341932869.

Adding to 17140423 its reverse (32404171), we get a palindrome (49544594).

The spelling of 17140423 in words is "seventeen million, one hundred forty thousand, four hundred twenty-three".