23002566 has 32 divisors (see below), whose sum is σ = 47174400. Its totient is φ = 7475040.

The previous prime is 23002543. The next prime is 23002607. The reversal of 23002566 is 66520032.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63895 + ... + 64253.

It is an arithmetic number, because the mean of its divisors is an integer number (1474200).

Almost surely, 2^23002566 is an apocalyptic number.

23002566 is an abundant number, since it is smaller than the sum of its proper divisors (24171834).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23002566 is a wasteful number, since it uses less digits than its factorization.

23002566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 604.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 23002566 is about 4796.0990398448. The cubic root of 23002566 is about 284.3972734798.

Adding to 23002566 its reverse (66520032), we get a palindrome (89522598).

The spelling of 23002566 in words is "twenty-three million, two thousand, five hundred sixty-six".