23036530 has 64 divisors (see below), whose sum is σ = 48771072. Its totient is φ = 7741440.

The previous prime is 23036509. The next prime is 23036549. The reversal of 23036530 is 3563032.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 181327 + ... + 181453.

It is an arithmetic number, because the mean of its divisors is an integer number (762048).

Almost surely, 2^23036530 is an apocalyptic number.

23036530 is an abundant number, since it is smaller than the sum of its proper divisors (25734542).

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

23036530 is a wasteful number, since it uses less digits than its factorization.

23036530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259.

The product of its (nonzero) digits is 1620, while the sum is 22.

The square root of 23036530 is about 4799.6385280560. The cubic root of 23036530 is about 284.5371784339.

Adding to 23036530 its reverse (3563032), we get a palindrome (26599562).

The spelling of 23036530 in words is "twenty-three million, thirty-six thousand, five hundred thirty".