23016566 has 8 divisors (see below), whose sum is σ = 34587864. Its totient is φ = 11487280.

The previous prime is 23016559. The next prime is 23016599. The reversal of 23016566 is 66561032.

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

It is a congruent number.

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, 9095 + ... + 11346.

It is an arithmetic number, because the mean of its divisors is an integer number (4323483).

Almost surely, 2^23016566 is an apocalyptic number.

23016566 is a deficient number, since it is larger than the sum of its proper divisors (11571298).

23016566 is a wasteful number, since it uses less digits than its factorization.

23016566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21006.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 23016566 is about 4797.5583373212. The cubic root of 23016566 is about 284.4549591360.

Adding to 23016566 its reverse (66561032), we get a palindrome (89577598).

It can be divided in two parts, 230 and 16566, that multiplied together give a triangular number (3810180 = T₂₇₆₀).

The spelling of 23016566 in words is "twenty-three million, sixteen thousand, five hundred sixty-six".