23570066 has 8 divisors (see below), whose sum is σ = 38074764. Its totient is φ = 10878480.

The previous prime is 23570059. The next prime is 23570081. The reversal of 23570066 is 66007532.

It can be written as a sum of positive squares in 2 ways, for example, as 21893041 + 1677025 = 4679^2 + 1295^2 .

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

It is a super-2 number, since 2×23570066² = 1111096022488712, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 453245 + ... + 453296.

Almost surely, 2^23570066 is an apocalyptic number.

23570066 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

23570066 is a deficient number, since it is larger than the sum of its proper divisors (14504698).

23570066 is a wasteful number, since it uses less digits than its factorization.

23570066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 906556.

The product of its (nonzero) digits is 7560, while the sum is 29.

The square root of 23570066 is about 4854.9012348348. The cubic root of 23570066 is about 286.7171027777.

Adding to 23570066 its reverse (66007532), we get a palindrome (89577598).

The spelling of 23570066 in words is "twenty-three million, five hundred seventy thousand, sixty-six".