23530236 has 24 divisors (see below), whose sum is σ = 55658064. Its totient is φ = 7735680.

The previous prime is 23530231. The next prime is 23530253. The reversal of 23530236 is 63203532.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23530231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12555 + ... + 14306.

It is an arithmetic number, because the mean of its divisors is an integer number (2319086).

Almost surely, 2^23530236 is an apocalyptic number.

It is an amenable number.

23530236 is an abundant number, since it is smaller than the sum of its proper divisors (32127828).

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

23530236 is a wasteful number, since it uses less digits than its factorization.

23530236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26941 (or 26939 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 24.

The square root of 23530236 is about 4850.7974602121. The cubic root of 23530236 is about 286.5555082516. Note that the first 4 decimals are identical.

Adding to 23530236 its reverse (63203532), we get a palindrome (86733768).

The spelling of 23530236 in words is "twenty-three million, five hundred thirty thousand, two hundred thirty-six".