23997853 has 8 divisors (see below), whose sum is σ = 26425440. Its totient is φ = 21611280.

The previous prime is 23997839. The next prime is 23997881. The reversal of 23997853 is 35879932.

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 23997853 - 2⁵ = 23997821 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 (23997803) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9018 + ... + 11371.

It is an arithmetic number, because the mean of its divisors is an integer number (3303180).

Almost surely, 2^23997853 is an apocalyptic number.

It is an amenable number.

23997853 is a deficient number, since it is larger than the sum of its proper divisors (2427587).

23997853 is a wasteful number, since it uses less digits than its factorization.

23997853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20507.

The product of its digits is 408240, while the sum is 46.

The square root of 23997853 is about 4898.7603533955. The cubic root of 23997853 is about 288.4413123888.

The spelling of 23997853 in words is "twenty-three million, nine hundred ninety-seven thousand, eight hundred fifty-three".