673423111 has 2 divisors, whose sum is σ = 673423112. Its totient is φ = 673423110.

The previous prime is 673423081. The next prime is 673423117. The reversal of 673423111 is 111324376.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 673423111 - 2⁷ = 673422983 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 673423111.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (673423117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336711555 + 336711556.

It is an arithmetic number, because the mean of its divisors is an integer number (336711556).

Almost surely, 2^673423111 is an apocalyptic number.

673423111 is a deficient number, since it is larger than the sum of its proper divisors (1).

673423111 is an equidigital number, since it uses as much as digits as its factorization.

673423111 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3024, while the sum is 28.

The square root of 673423111 is about 25950.3971260557. The cubic root of 673423111 is about 876.5216997463.

Adding to 673423111 its reverse (111324376), we get a palindrome (784747487).

The spelling of 673423111 in words is "six hundred seventy-three million, four hundred twenty-three thousand, one hundred eleven".