23144266 has 4 divisors (see below), whose sum is σ = 34716402. Its totient is φ = 11572132.

The previous prime is 23144243. The next prime is 23144273. The reversal of 23144266 is 66244132.

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., 18671041 + 4473225 = 4321^2 + 2115^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 5786065 + ... + 5786068.

Almost surely, 2^23144266 is an apocalyptic number.

23144266 is a deficient number, since it is larger than the sum of its proper divisors (11572136).

23144266 is a wasteful number, since it uses less digits than its factorization.

23144266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11572135.

The product of its digits is 6912, while the sum is 28.

The square root of 23144266 is about 4810.8487816601. The cubic root of 23144266 is about 284.9800581102.

Adding to 23144266 its reverse (66244132), we get a palindrome (89388398).

The spelling of 23144266 in words is "twenty-three million, one hundred forty-four thousand, two hundred sixty-six".