17641423 has 2 divisors, whose sum is σ = 17641424. Its totient is φ = 17641422.

The previous prime is 17641409. The next prime is 17641433. The reversal of 17641423 is 32414671.

It is a strong prime.

It is an emirp because it is prime and its reverse (32414671) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 17641423 - 2¹⁷ = 17510351 is a prime.

It is a super-2 number, since 2×17641423² = 622439610929858, which contains 22 as substring.

It is equal to p_1129906 and since 17641423 and 1129906 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 17641391 and 17641400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (17641433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8820711 + 8820712.

It is an arithmetic number, because the mean of its divisors is an integer number (8820712).

Almost surely, 2^17641423 is an apocalyptic number.

17641423 is a deficient number, since it is larger than the sum of its proper divisors (1).

17641423 is an equidigital number, since it uses as much as digits as its factorization.

17641423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4032, while the sum is 28.

The square root of 17641423 is about 4200.1694013456. The cubic root of 17641423 is about 260.3221991763.

The spelling of 17641423 in words is "seventeen million, six hundred forty-one thousand, four hundred twenty-three".