97423173 has 12 divisors (see below), whose sum is σ = 145262208. Its totient is φ = 62853480.

The previous prime is 97423171. The next prime is 97423177. The reversal of 97423173 is 37132479.

It is not a de Polignac number, because 97423173 - 2¹ = 97423171 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97423171) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 174315 + ... + 174872.

It is an arithmetic number, because the mean of its divisors is an integer number (12105184).

Almost surely, 2^97423173 is an apocalyptic number.

97423173 is a gapful number since it is divisible by the number (93) formed by its first and last digit.

It is an amenable number.

97423173 is a deficient number, since it is larger than the sum of its proper divisors (47839035).

97423173 is a wasteful number, since it uses less digits than its factorization.

97423173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349224 (or 349221 counting only the distinct ones).

The product of its digits is 31752, while the sum is 36.

The square root of 97423173 is about 9870.3177760394. The cubic root of 97423173 is about 460.1372825917.

The spelling of 97423173 in words is "ninety-seven million, four hundred twenty-three thousand, one hundred seventy-three".