23668091 has 4 divisors (see below), whose sum is σ = 24913800. Its totient is φ = 22422384.

The previous prime is 23668087. The next prime is 23668109. The reversal of 23668091 is 19086632.

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

It is a cyclic number.

It is not a de Polignac number, because 23668091 - 2² = 23668087 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23668391) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 622826 + ... + 622863.

It is an arithmetic number, because the mean of its divisors is an integer number (6228450).

Almost surely, 2^23668091 is an apocalyptic number.

23668091 is a deficient number, since it is larger than the sum of its proper divisors (1245709).

23668091 is a wasteful number, since it uses less digits than its factorization.

23668091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1245708.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 23668091 is about 4864.9862281408. The cubic root of 23668091 is about 287.1140267322.

The spelling of 23668091 in words is "twenty-three million, six hundred sixty-eight thousand, ninety-one".