23240167 has 4 divisors (see below), whose sum is σ = 23780680. Its totient is φ = 22699656.

The previous prime is 23240149. The next prime is 23240171. The reversal of 23240167 is 76104232.

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 23240167 - 2⁷ = 23240039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23240117) 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, 270192 + ... + 270277.

It is an arithmetic number, because the mean of its divisors is an integer number (5945170).

Almost surely, 2^23240167 is an apocalyptic number.

23240167 is a deficient number, since it is larger than the sum of its proper divisors (540513).

23240167 is an equidigital number, since it uses as much as digits as its factorization.

23240167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540512.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 23240167 is about 4820.8056380651. The cubic root of 23240167 is about 285.3731318708.

Adding to 23240167 its reverse (76104232), we get a palindrome (99344399).

The spelling of 23240167 in words is "twenty-three million, two hundred forty thousand, one hundred sixty-seven".