23006306 has 4 divisors (see below), whose sum is σ = 34509462. Its totient is φ = 11503152.

The previous prime is 23006297. The next prime is 23006317. The reversal of 23006306 is 60360032.

It is a happy number.

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., 14250625 + 8755681 = 3775^2 + 2959^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5751575 + ... + 5751578.

Almost surely, 2^23006306 is an apocalyptic number.

23006306 is a deficient number, since it is larger than the sum of its proper divisors (11503156).

23006306 is a wasteful number, since it uses less digits than its factorization.

23006306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11503155.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 23006306 is about 4796.4889242028. The cubic root of 23006306 is about 284.4126860815.

Adding to 23006306 its reverse (60360032), we get a palindrome (83366338).

The spelling of 23006306 in words is "twenty-three million, six thousand, three hundred six".