17712240023 has 4 divisors (see below), whose sum is σ = 17720507328. Its totient is φ = 17703972720.

The previous prime is 17712239989. The next prime is 17712240079. The reversal of 17712240023 is 32004221771.

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 17712240023 - 2⁸ = 17712239767 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 (17712240083) 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, 4130438 + ... + 4134723.

It is an arithmetic number, because the mean of its divisors is an integer number (4430126832).

Almost surely, 2^17712240023 is an apocalyptic number.

17712240023 is a deficient number, since it is larger than the sum of its proper divisors (8267305).

17712240023 is an equidigital number, since it uses as much as digits as its factorization.

17712240023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8267304.

The product of its (nonzero) digits is 4704, while the sum is 29.

Adding to 17712240023 its reverse (32004221771), we get a palindrome (49716461794).

The spelling of 17712240023 in words is "seventeen billion, seven hundred twelve million, two hundred forty thousand, twenty-three".