23240023 has 8 divisors (see below), whose sum is σ = 23779008. Its totient is φ = 22704864.

The previous prime is 23240011. The next prime is 23240029. The reversal of 23240023 is 32004232.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23240023 - 2⁹ = 23239511 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23239979 and 23240006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23240029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13890 + ... + 15472.

It is an arithmetic number, because the mean of its divisors is an integer number (2972376).

Almost surely, 2^23240023 is an apocalyptic number.

23240023 is a deficient number, since it is larger than the sum of its proper divisors (538985).

23240023 is a wasteful number, since it uses less digits than its factorization.

23240023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1913.

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 23240023 is about 4820.7907027790. The cubic root of 23240023 is about 285.3725424629.

Adding to 23240023 its reverse (32004232), we get a palindrome (55244255).

The spelling of 23240023 in words is "twenty-three million, two hundred forty thousand, twenty-three".