423973693 has 24 divisors (see below), whose sum is σ = 529169760. Its totient is φ = 334821120.

The previous prime is 423973687. The next prime is 423973751. The reversal of 423973693 is 396379324.

It is not a de Polignac number, because 423973693 - 2⁹ = 423973181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423973603) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36198 + ... + 46456.

It is an arithmetic number, because the mean of its divisors is an integer number (22048740).

Almost surely, 2^423973693 is an apocalyptic number.

It is an amenable number.

423973693 is a deficient number, since it is larger than the sum of its proper divisors (105196067).

423973693 is a wasteful number, since it uses less digits than its factorization.

423973693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10317 (or 10300 counting only the distinct ones).

The product of its digits is 734832, while the sum is 46.

The square root of 423973693 is about 20590.6214816358. The cubic root of 423973693 is about 751.2416133201.

The spelling of 423973693 in words is "four hundred twenty-three million, nine hundred seventy-three thousand, six hundred ninety-three".