673547023320 has 64 divisors (see below), whose sum is σ = 2028152844000. Its totient is φ = 178944826368.

The previous prime is 673547023283. The next prime is 673547023343. The reversal of 673547023320 is 23320745376.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10400605 + ... + 10465164.

Almost surely, 2^673547023320 is an apocalyptic number.

673547023320 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

673547023320 is an abundant number, since it is smaller than the sum of its proper divisors (1354605820680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

673547023320 is a wasteful number, since it uses less digits than its factorization.

673547023320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20866052 (or 20866048 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 42.

Adding to 673547023320 its reverse (23320745376), we get a palindrome (696867768696).

The spelling of 673547023320 in words is "six hundred seventy-three billion, five hundred forty-seven million, twenty-three thousand, three hundred twenty".