23142570 has 64 divisors (see below), whose sum is σ = 63797760. Its totient is φ = 5313600.

The previous prime is 23142569. The next prime is 23142571. The reversal of 23142570 is 7524132.

It is an interprime number because it is at equal distance from previous prime (23142569) and next prime (23142571).

It is a self number, because there is not a number n which added to its sum of digits gives 23142570.

It is not an unprimeable number, because it can be changed into a prime (23142571) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4425 + ... + 8115.

It is an arithmetic number, because the mean of its divisors is an integer number (996840).

Almost surely, 2^23142570 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23142570, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31898880).

23142570 is an abundant number, since it is smaller than the sum of its proper divisors (40655190).

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

23142570 is a wasteful number, since it uses less digits than its factorization.

23142570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3731.

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 23142570 is about 4810.6725101591. The cubic root of 23142570 is about 284.9730968757.

It can be divided in two parts, 2314 and 2570, that added together give a palindrome (4884).

The spelling of 23142570 in words is "twenty-three million, one hundred forty-two thousand, five hundred seventy".