23280571 has 2 divisors, whose sum is σ = 23280572. Its totient is φ = 23280570.

The previous prime is 23280563. The next prime is 23280581. The reversal of 23280571 is 17508232.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23280571 - 2³ = 23280563 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (23280541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11640285 + 11640286.

It is an arithmetic number, because the mean of its divisors is an integer number (11640286).

Almost surely, 2^23280571 is an apocalyptic number.

23280571 is a deficient number, since it is larger than the sum of its proper divisors (1).

23280571 is an equidigital number, since it uses as much as digits as its factorization.

23280571 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 23280571 is about 4824.9944041418. The cubic root of 23280571 is about 285.5384138235.

The spelling of 23280571 in words is "twenty-three million, two hundred eighty thousand, five hundred seventy-one".