23065543 has 2 divisors, whose sum is σ = 23065544. Its totient is φ = 23065542.

The previous prime is 23065517. The next prime is 23065589. The reversal of 23065543 is 34556032.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23065543 - 2¹³ = 23057351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23065843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11532771 + 11532772.

It is an arithmetic number, because the mean of its divisors is an integer number (11532772).

Almost surely, 2^23065543 is an apocalyptic number.

23065543 is a deficient number, since it is larger than the sum of its proper divisors (1).

23065543 is an equidigital number, since it uses as much as digits as its factorization.

23065543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10800, while the sum is 28.

The square root of 23065543 is about 4802.6599921294. The cubic root of 23065543 is about 284.6565802987.

The spelling of 23065543 in words is "twenty-three million, sixty-five thousand, five hundred forty-three".