673454423 has 2 divisors, whose sum is σ = 673454424. Its totient is φ = 673454422.

The previous prime is 673454389. The next prime is 673454437. The reversal of 673454423 is 324454376.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 673454423 - 2²⁶ = 606345559 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (673454923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336727211 + 336727212.

It is an arithmetic number, because the mean of its divisors is an integer number (336727212).

Almost surely, 2^673454423 is an apocalyptic number.

673454423 is a deficient number, since it is larger than the sum of its proper divisors (1).

673454423 is an equidigital number, since it uses as much as digits as its factorization.

673454423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 241920, while the sum is 38.

The square root of 673454423 is about 25951.0004238758. Note that the first 3 decimals coincide. The cubic root of 673454423 is about 876.5352846786.

The spelling of 673454423 in words is "six hundred seventy-three million, four hundred fifty-four thousand, four hundred twenty-three".