23340971 has 4 divisors (see below), whose sum is σ = 23380032. Its totient is φ = 23301912.

The previous prime is 23340917. The next prime is 23340973. The reversal of 23340971 is 17904332.

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 23340971 - 2⁶ = 23340907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23340973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18620 + ... + 19833.

It is an arithmetic number, because the mean of its divisors is an integer number (5845008).

Almost surely, 2^23340971 is an apocalyptic number.

23340971 is a deficient number, since it is larger than the sum of its proper divisors (39061).

23340971 is an equidigital number, since it uses as much as digits as its factorization.

23340971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39060.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 23340971 is about 4831.2494243208. The cubic root of 23340971 is about 285.7851378213.

The spelling of 23340971 in words is "twenty-three million, three hundred forty thousand, nine hundred seventy-one".