11423173 has 2 divisors, whose sum is σ = 11423174. Its totient is φ = 11423172.

The previous prime is 11423149. The next prime is 11423177. The reversal of 11423173 is 37132411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11404129 + 19044 = 3377^2 + 138^2 .

It is a cyclic number.

It is not a de Polignac number, because 11423173 - 2⁹ = 11422661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11423177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5711586 + 5711587.

It is an arithmetic number, because the mean of its divisors is an integer number (5711587).

Almost surely, 2^11423173 is an apocalyptic number.

It is an amenable number.

11423173 is a deficient number, since it is larger than the sum of its proper divisors (1).

11423173 is an equidigital number, since it uses as much as digits as its factorization.

11423173 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 504, while the sum is 22.

The square root of 11423173 is about 3379.8184862504. The cubic root of 11423173 is about 225.2141040186.

Adding to 11423173 its reverse (37132411), we get a palindrome (48555584).

The spelling of 11423173 in words is "eleven million, four hundred twenty-three thousand, one hundred seventy-three".