23645066 has 4 divisors (see below), whose sum is σ = 35467602. Its totient is φ = 11822532.

The previous prime is 23645057. The next prime is 23645071. The reversal of 23645066 is 66054632.

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., 22287841 + 1357225 = 4721^2 + 1165^2 .

It is a super-2 number, since 2×23645066² = 1118178292288712, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5911265 + ... + 5911268.

Almost surely, 2^23645066 is an apocalyptic number.

23645066 is a deficient number, since it is larger than the sum of its proper divisors (11822536).

23645066 is a wasteful number, since it uses less digits than its factorization.

23645066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11822535.

The product of its (nonzero) digits is 25920, while the sum is 32.

The square root of 23645066 is about 4862.6192530364. The cubic root of 23645066 is about 287.0208922620.

Adding to 23645066 its reverse (66054632), we get a palindrome (89699698).

The spelling of 23645066 in words is "twenty-three million, six hundred forty-five thousand, sixty-six".