23325570 has 96 divisors (see below), whose sum is σ = 65257920. Its totient is φ = 5987520.

The previous prime is 23325563. The next prime is 23325623. The reversal of 23325570 is 7552332.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

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 47 ways as a sum of consecutive naturals, for example, 70305 + ... + 70635.

It is an arithmetic number, because the mean of its divisors is an integer number (679770).

Almost surely, 2^23325570 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23325570, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32628960).

23325570 is an abundant number, since it is smaller than the sum of its proper divisors (41932350).

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

23325570 is a wasteful number, since it uses less digits than its factorization.

23325570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382 (or 370 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 27.

The square root of 23325570 is about 4829.6552672008. The cubic root of 23325570 is about 285.7222677532.

The spelling of 23325570 in words is "twenty-three million, three hundred twenty-five thousand, five hundred seventy".