23590066 has 4 divisors (see below), whose sum is σ = 35385102. Its totient is φ = 11795032.

The previous prime is 23590051. The next prime is 23590069. The reversal of 23590066 is 66009532.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 20439441 + 3150625 = 4521^2 + 1775^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (23590069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5897515 + ... + 5897518.

Almost surely, 2^23590066 is an apocalyptic number.

23590066 is a deficient number, since it is larger than the sum of its proper divisors (11795036).

23590066 is a wasteful number, since it uses less digits than its factorization.

23590066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11795035.

The product of its (nonzero) digits is 9720, while the sum is 31.

The square root of 23590066 is about 4856.9605722097. The cubic root of 23590066 is about 286.7981762445.

Adding to 23590066 its reverse (66009532), we get a palindrome (89599598).

The spelling of 23590066 in words is "twenty-three million, five hundred ninety thousand, sixty-six".