23570 has 8 divisors (see below), whose sum is σ = 42444. Its totient is φ = 9424.

The previous prime is 23567. The next prime is 23581. The reversal of 23570 is 7532.

It can be written as a sum of positive squares in 2 ways, for example, as 22201 + 1369 = 149^2 + 37^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a plaindrome in base 11.

It is a nialpdrome in base 13.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1169 + ... + 1188.

2²³⁵⁷⁰ is an apocalyptic number.

23570 is a deficient number, since it is larger than the sum of its proper divisors (18874).

23570 is a wasteful number, since it uses less digits than its factorization.

23570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2364.

The product of its (nonzero) digits is 210, while the sum is 17.

The square root of 23570 is about 153.5252422242. The cubic root of 23570 is about 28.6716835159.

It can be divided in two parts, 2 and 3570, that multiplied together give a triangular number (7140 = T₁₁₉).

The spelling of 23570 in words is "twenty-three thousand, five hundred seventy".