673723011 has 16 divisors (see below), whose sum is σ = 989897216. Its totient is φ = 404955936.

The previous prime is 673723009. The next prime is 673723021. The reversal of 673723011 is 110327376.

It is not a de Polignac number, because 673723011 - 2¹ = 673723009 is a prime.

It is a super-2 number, since 2×673723011² = 907805391101812242, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 673723011.

It is not an unprimeable number, because it can be changed into a prime (673723021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 199195 + ... + 202548.

It is an arithmetic number, because the mean of its divisors is an integer number (61868576).

Almost surely, 2^673723011 is an apocalyptic number.

673723011 is a deficient number, since it is larger than the sum of its proper divisors (316174205).

673723011 is a wasteful number, since it uses less digits than its factorization.

673723011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401802.

The product of its (nonzero) digits is 5292, while the sum is 30.

The square root of 673723011 is about 25956.1748144830. The cubic root of 673723011 is about 876.6517961851.

The spelling of 673723011 in words is "six hundred seventy-three million, seven hundred twenty-three thousand, eleven".