23533066 has 8 divisors (see below), whose sum is σ = 37376100. Its totient is φ = 11074368.

The previous prime is 23533063. The next prime is 23533067. The reversal of 23533066 is 66033532.

23533066 = 233² + 234² + ... + 436².

It can be written as a sum of positive squares in 2 ways, for example, as 18671041 + 4862025 = 4321^2 + 2205^2 .

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

It is not an unprimeable number, because it can be changed into a prime (23533063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 346041 + ... + 346108.

Almost surely, 2^23533066 is an apocalyptic number.

23533066 is a deficient number, since it is larger than the sum of its proper divisors (13843034).

23533066 is a wasteful number, since it uses less digits than its factorization.

23533066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 692168.

The product of its (nonzero) digits is 9720, while the sum is 28.

The square root of 23533066 is about 4851.0891560556. The cubic root of 23533066 is about 286.5669958766.

Adding to 23533066 its reverse (66033532), we get a palindrome (89566598).

The spelling of 23533066 in words is "twenty-three million, five hundred thirty-three thousand, sixty-six".