23240567 has 4 divisors (see below), whose sum is σ = 26560656. Its totient is φ = 19920480.

The previous prime is 23240549. The next prime is 23240617. The reversal of 23240567 is 76504232.

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 23240567 - 2²⁰ = 22191991 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 (23240527) 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, 1660034 + ... + 1660047.

It is an arithmetic number, because the mean of its divisors is an integer number (6640164).

Almost surely, 2^23240567 is an apocalyptic number.

23240567 is a deficient number, since it is larger than the sum of its proper divisors (3320089).

23240567 is an equidigital number, since it uses as much as digits as its factorization.

23240567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3320088.

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 23240567 is about 4820.8471247282. The cubic root of 23240567 is about 285.3747691023.

Adding to 23240567 its reverse (76504232), we get a palindrome (99744799).

The spelling of 23240567 in words is "twenty-three million, two hundred forty thousand, five hundred sixty-seven".