23871936 has 112 divisors (see below), whose sum is σ = 70225920. Its totient is φ = 7096320.

The previous prime is 23871863. The next prime is 23871937. The reversal of 23871936 is 63917832.

23871936 = 369² + 370² + ... + 495².

It is a junction number, because it is equal to n+sod(n) for n = 23871894 and 23871903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23871937) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 187905 + ... + 188031.

Almost surely, 2^23871936 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 23871936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35112960).

23871936 is an abundant number, since it is smaller than the sum of its proper divisors (46353984).

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

23871936 is a wasteful number, since it uses less digits than its factorization.

23871936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242 (or 232 counting only the distinct ones).

The product of its digits is 54432, while the sum is 39.

The square root of 23871936 is about 4885.8915256072. The cubic root of 23871936 is about 287.9359425434.

The spelling of 23871936 in words is "twenty-three million, eight hundred seventy-one thousand, nine hundred thirty-six".