23429647218 has 16 divisors (see below), whose sum is σ = 46861880256. Its totient is φ = 7809451440.

The previous prime is 23429647211. The next prime is 23429647229. The reversal of 23429647218 is 81274692432.

It is not an unprimeable number, because it can be changed into a prime (23429647211) 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, 22083 + ... + 217593.

It is an arithmetic number, because the mean of its divisors is an integer number (2928867516).

Almost surely, 2^23429647218 is an apocalyptic number.

23429647218 is an abundant number, since it is smaller than the sum of its proper divisors (23432233038).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23429647218 is a wasteful number, since it uses less digits than its factorization.

23429647218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215489.

The product of its digits is 1161216, while the sum is 48.

The spelling of 23429647218 in words is "twenty-three billion, four hundred twenty-nine million, six hundred forty-seven thousand, two hundred eighteen".