23153266 has 4 divisors (see below), whose sum is σ = 34729902. Its totient is φ = 11576632.

The previous prime is 23153197. The next prime is 23153293. The reversal of 23153266 is 66235132.

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., 17766225 + 5387041 = 4215^2 + 2321^2 .

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, 5788315 + ... + 5788318.

Almost surely, 2^23153266 is an apocalyptic number.

23153266 is a deficient number, since it is larger than the sum of its proper divisors (11576636).

23153266 is a wasteful number, since it uses less digits than its factorization.

23153266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11576635.

The product of its digits is 6480, while the sum is 28.

The square root of 23153266 is about 4811.7840766186. The cubic root of 23153266 is about 285.0169929336.

Adding to 23153266 its reverse (66235132), we get a palindrome (89388398).

The spelling of 23153266 in words is "twenty-three million, one hundred fifty-three thousand, two hundred sixty-six".