23326649 has 4 divisors (see below), whose sum is σ = 23349540. Its totient is φ = 23303760.

The previous prime is 23326637. The next prime is 23326673. The reversal of 23326649 is 94662332.

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

It can be written as a sum of positive squares in 2 ways, for example, as 12390400 + 10936249 = 3520^2 + 3307^2 .

It is a cyclic number.

It is not a de Polignac number, because 23326649 - 2¹² = 23322553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23326619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9842 + ... + 11979.

It is an arithmetic number, because the mean of its divisors is an integer number (5837385).

Almost surely, 2^23326649 is an apocalyptic number.

It is an amenable number.

23326649 is a deficient number, since it is larger than the sum of its proper divisors (22891).

23326649 is a wasteful number, since it uses less digits than its factorization.

23326649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22890.

The product of its digits is 46656, while the sum is 35.

The square root of 23326649 is about 4829.7669716043. The cubic root of 23326649 is about 285.7266733558.

The spelling of 23326649 in words is "twenty-three million, three hundred twenty-six thousand, six hundred forty-nine".