23287936 has 96 divisors (see below), whose sum is σ = 55814400. Its totient is φ = 9644544.

The previous prime is 23287919. The next prime is 23287951. The reversal of 23287936 is 63978232.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 294745 + ... + 294823.

It is an arithmetic number, because the mean of its divisors is an integer number (581400).

Almost surely, 2^23287936 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23287936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27907200).

23287936 is an abundant number, since it is smaller than the sum of its proper divisors (32526464).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23287936 is an equidigital number, since it uses as much as digits as its factorization.

23287936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154 (or 135 counting only the distinct ones).

The product of its digits is 108864, while the sum is 40.

The square root of 23287936 is about 4825.7575571096. The cubic root of 23287936 is about 285.5685214569.

The spelling of 23287936 in words is "twenty-three million, two hundred eighty-seven thousand, nine hundred thirty-six".