23500036 has 48 divisors (see below), whose sum is σ = 49960960. Its totient is φ = 9447840.

The previous prime is 23500031. The next prime is 23500091. The reversal of 23500036 is 63000532.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a junction number, because it is equal to n+sod(n) for n = 23499986 and 23500022.

It is not an unprimeable number, because it can be changed into a prime (23500031) 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, 86581 + ... + 86851.

Almost surely, 2^23500036 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 23500036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24980480).

23500036 is an abundant number, since it is smaller than the sum of its proper divisors (26460924).

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

23500036 is a wasteful number, since it uses less digits than its factorization.

23500036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464 (or 462 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 19.

The square root of 23500036 is about 4847.6835705314. The cubic root of 23500036 is about 286.4328620626.

Adding to 23500036 its reverse (63000532), we get a palindrome (86500568).

The spelling of 23500036 in words is "twenty-three million, five hundred thousand, thirty-six".