17072423 has 2 divisors, whose sum is σ = 17072424. Its totient is φ = 17072422.

The previous prime is 17072401. The next prime is 17072449. The reversal of 17072423 is 32427071.

It is an a-pointer prime, because the next prime (17072449) can be obtained adding 17072423 to its sum of digits (26).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 17072423 - 2¹⁸ = 16810279 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 17072392 and 17072401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (17072123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8536211 + 8536212.

It is an arithmetic number, because the mean of its divisors is an integer number (8536212).

Almost surely, 2^17072423 is an apocalyptic number.

17072423 is a deficient number, since it is larger than the sum of its proper divisors (1).

17072423 is an equidigital number, since it uses as much as digits as its factorization.

17072423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2352, while the sum is 26.

The square root of 17072423 is about 4131.8788704414. The cubic root of 17072423 is about 257.4927788844.

Adding to 17072423 its reverse (32427071), we get a palindrome (49499494).

The spelling of 17072423 in words is "seventeen million, seventy-two thousand, four hundred twenty-three".