23061570 has 64 divisors (see below), whose sum is σ = 63694080. Its totient is φ = 5234688.

The previous prime is 23061569. The next prime is 23061589. The reversal of 23061570 is 7516032.

It is a self number, because there is not a number n which added to its sum of digits gives 23061570.

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, 40246 + ... + 40814.

It is an arithmetic number, because the mean of its divisors is an integer number (995220).

Almost surely, 2^23061570 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23061570, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31847040).

23061570 is an abundant number, since it is smaller than the sum of its proper divisors (40632510).

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

23061570 is a wasteful number, since it uses less digits than its factorization.

23061570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 779.

The product of its (nonzero) digits is 1260, while the sum is 24.

The square root of 23061570 is about 4802.2463493661. The cubic root of 23061570 is about 284.6402354919.

The spelling of 23061570 in words is "twenty-three million, sixty-one thousand, five hundred seventy".