17312423 has 2 divisors, whose sum is σ = 17312424. Its totient is φ = 17312422.

The previous prime is 17312419. The next prime is 17312447. The reversal of 17312423 is 32421371.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 17312423 - 2² = 17312419 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (17312453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8656211 + 8656212.

It is an arithmetic number, because the mean of its divisors is an integer number (8656212).

Almost surely, 2^17312423 is an apocalyptic number.

17312423 is a deficient number, since it is larger than the sum of its proper divisors (1).

17312423 is an equidigital number, since it uses as much as digits as its factorization.

17312423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1008, while the sum is 23.

The square root of 17312423 is about 4160.8199912998. The cubic root of 17312423 is about 258.6937590820.

Adding to 17312423 its reverse (32421371), we get a palindrome (49733794).

The spelling of 17312423 in words is "seventeen million, three hundred twelve thousand, four hundred twenty-three".