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BaseRepresentation
bin101011111110…
…1000010111011
31121101101200002
41113331002323
521400302241
62142103215
7366656216
oct127750273
947341602
1023056571
111201881a
12787ab0b
134a13755
1430c277d
15205689b
hex15fd0bb

23056571 has 2 divisors, whose sum is σ = 23056572. Its totient is φ = 23056570.

The previous prime is 23056567. The next prime is 23056613. The reversal of 23056571 is 17565032.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23056571 - 22 = 23056567 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (23056531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11528285 + 11528286.

It is an arithmetic number, because the mean of its divisors is an integer number (11528286).

Almost surely, 223056571 is an apocalyptic number.

23056571 is a deficient number, since it is larger than the sum of its proper divisors (1).

23056571 is an equidigital number, since it uses as much as digits as its factorization.

23056571 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6300, while the sum is 29.

The square root of 23056571 is about 4801.7258355720. The cubic root of 23056571 is about 284.6196670836.

The spelling of 23056571 in words is "twenty-three million, fifty-six thousand, five hundred seventy-one".