23997236 has 6 divisors (see below), whose sum is σ = 41995170. Its totient is φ = 11998616.

The previous prime is 23997229. The next prime is 23997271. The reversal of 23997236 is 63279932.

It can be written as a sum of positive squares in only one way, i.e., 23464336 + 532900 = 4844^2 + 730^2 .

It is a junction number, because it is equal to n+sod(n) for n = 23997193 and 23997202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2999651 + ... + 2999658.

It is an arithmetic number, because the mean of its divisors is an integer number (6999195).

Almost surely, 2^23997236 is an apocalyptic number.

It is an amenable number.

23997236 is a deficient number, since it is larger than the sum of its proper divisors (17997934).

23997236 is a wasteful number, since it uses less digits than its factorization.

23997236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5999313 (or 5999311 counting only the distinct ones).

The product of its digits is 122472, while the sum is 41.

The square root of 23997236 is about 4898.6973778751. The cubic root of 23997236 is about 288.4388403647.

The spelling of 23997236 in words is "twenty-three million, nine hundred ninety-seven thousand, two hundred thirty-six".