673508423 has 8 divisors (see below), whose sum is σ = 782770560. Its totient is φ = 567507960.

The previous prime is 673508411. The next prime is 673508467. The reversal of 673508423 is 324805376.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 673508423 - 2⁶ = 673508359 is a prime.

It is a super-2 number, since 2×673508423² = 907227191703893858, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (673508323) 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 in 7 ways as a sum of consecutive naturals, for example, 814973 + ... + 815798.

It is an arithmetic number, because the mean of its divisors is an integer number (97846320).

Almost surely, 2^673508423 is an apocalyptic number.

673508423 is a deficient number, since it is larger than the sum of its proper divisors (109262137).

673508423 is a wasteful number, since it uses less digits than its factorization.

673508423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1630837.

The product of its (nonzero) digits is 120960, while the sum is 38.

The square root of 673508423 is about 25952.0408253378. The cubic root of 673508423 is about 876.5587119706.

The spelling of 673508423 in words is "six hundred seventy-three million, five hundred eight thousand, four hundred twenty-three".