23723973 has 48 divisors (see below), whose sum is σ = 42806400. Its totient is φ = 12327552.

The previous prime is 23723939. The next prime is 23723977. The reversal of 23723973 is 37932732.

It is not a de Polignac number, because 23723973 - 2⁸ = 23723717 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23723977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 67803 + ... + 68151.

It is an arithmetic number, because the mean of its divisors is an integer number (891800).

It is a vampire number, since it can be written as 3237 ⋅ 7329 (with its own digits).

Almost surely, 2^23723973 is an apocalyptic number.

It is an amenable number.

23723973 is a deficient number, since it is larger than the sum of its proper divisors (19082427).

23723973 is a wasteful number, since it uses less digits than its factorization.

23723973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458 (or 455 counting only the distinct ones).

The product of its digits is 47628, while the sum is 36.

The square root of 23723973 is about 4870.7261265647. The cubic root of 23723973 is about 287.3398144842.

The spelling of 23723973 in words is "twenty-three million, seven hundred twenty-three thousand, nine hundred seventy-three".