23834668138 has 8 divisors (see below), whose sum is σ = 35754077088. Its totient is φ = 11916642444.

The previous prime is 23834668133. The next prime is 23834668139. The reversal of 23834668138 is 83186643832.

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

It is not an unprimeable number, because it can be changed into a prime (23834668133) 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, 301606 + ... + 372337.

It is an arithmetic number, because the mean of its divisors is an integer number (4469259636).

Almost surely, 2^23834668138 is an apocalyptic number.

23834668138 is a deficient number, since it is larger than the sum of its proper divisors (11919408950).

23834668138 is a wasteful number, since it uses less digits than its factorization.

23834668138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 691628.

The product of its digits is 3981312, while the sum is 52.

The spelling of 23834668138 in words is "twenty-three billion, eight hundred thirty-four million, six hundred sixty-eight thousand, one hundred thirty-eight".