23130571 has 4 divisors (see below), whose sum is σ = 24136272. Its totient is φ = 22124872.

The previous prime is 23130553. The next prime is 23130623. The reversal of 23130571 is 17503132.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23130571 - 2¹⁵ = 23097803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23130521) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 502816 + ... + 502861.

It is an arithmetic number, because the mean of its divisors is an integer number (6034068).

Almost surely, 2^23130571 is an apocalyptic number.

23130571 is a deficient number, since it is larger than the sum of its proper divisors (1005701).

23130571 is a wasteful number, since it uses less digits than its factorization.

23130571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1005700.

The product of its (nonzero) digits is 630, while the sum is 22.

The square root of 23130571 is about 4809.4252255337. The cubic root of 23130571 is about 284.9238372455.

It can be divided in two parts, 23130 and 571, that multiplied together give a triangular number (13207230 = T₅₁₃₉).

The spelling of 23130571 in words is "twenty-three million, one hundred thirty thousand, five hundred seventy-one".