23640472366 has 8 divisors (see below), whose sum is σ = 40526524080. Its totient is φ = 10131631008.

The previous prime is 23640472363. The next prime is 23640472379. The reversal of 23640472366 is 66327404632.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23640472363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 844302571 + ... + 844302598.

It is an arithmetic number, because the mean of its divisors is an integer number (5065815510).

Almost surely, 2^23640472366 is an apocalyptic number.

23640472366 is a deficient number, since it is larger than the sum of its proper divisors (16886051714).

23640472366 is a wasteful number, since it uses less digits than its factorization.

23640472366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1688605178.

The product of its (nonzero) digits is 870912, while the sum is 43.

Adding to 23640472366 its reverse (66327404632), we get a palindrome (89967876998).

The spelling of 23640472366 in words is "twenty-three billion, six hundred forty million, four hundred seventy-two thousand, three hundred sixty-six".