23025530 has 64 divisors (see below), whose sum is σ = 49766400. Its totient is φ = 7571520.

The previous prime is 23025523. The next prime is 23025539. The reversal of 23025530 is 3552032.

It is not an unprimeable number, because it can be changed into a prime (23025539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47831 + ... + 48309.

It is an arithmetic number, because the mean of its divisors is an integer number (777600).

Almost surely, 2^23025530 is an apocalyptic number.

23025530 is an abundant number, since it is smaller than the sum of its proper divisors (26740870).

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

23025530 is a wasteful number, since it uses less digits than its factorization.

23025530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539.

The product of its (nonzero) digits is 900, while the sum is 20.

The square root of 23025530 is about 4798.4924715998. The cubic root of 23025530 is about 284.4918821549.

Adding to 23025530 its reverse (3552032), we get a palindrome (26577562).

The spelling of 23025530 in words is "twenty-three million, twenty-five thousand, five hundred thirty".