23965536 has 96 divisors (see below), whose sum is σ = 75720960. Its totient is φ = 6483456.

The previous prime is 23965531. The next prime is 23965541. The reversal of 23965536 is 63556932.

It is an interprime number because it is at equal distance from previous prime (23965531) and next prime (23965541).

It is a tau number, because it is divible by the number of its divisors (96).

It is a junction number, because it is equal to n+sod(n) for n = 23965494 and 23965503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23965531) 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, 11830 + ... + 13706.

It is an arithmetic number, because the mean of its divisors is an integer number (788760).

Almost surely, 2^23965536 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 23965536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37860480).

23965536 is an abundant number, since it is smaller than the sum of its proper divisors (51755424).

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

23965536 is a wasteful number, since it uses less digits than its factorization.

23965536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1916 (or 1908 counting only the distinct ones).

The product of its digits is 145800, while the sum is 39.

The square root of 23965536 is about 4895.4607546175. The cubic root of 23965536 is about 288.3117765597.

The spelling of 23965536 in words is "twenty-three million, nine hundred sixty-five thousand, five hundred thirty-six".