23117021834 has 8 divisors (see below), whose sum is σ = 34694559360. Its totient is φ = 11552168716.

The previous prime is 23117021833. The next prime is 23117021839. The reversal of 23117021834 is 43812071132.

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

It is a self number, because there is not a number n which added to its sum of digits gives 23117021834.

It is not an unprimeable number, because it can be changed into a prime (23117021833) 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, 3166544 + ... + 3173835.

It is an arithmetic number, because the mean of its divisors is an integer number (4336819920).

Almost surely, 2^23117021834 is an apocalyptic number.

23117021834 is a deficient number, since it is larger than the sum of its proper divisors (11577537526).

23117021834 is a wasteful number, since it uses less digits than its factorization.

23117021834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6342204.

The product of its (nonzero) digits is 8064, while the sum is 32.

Adding to 23117021834 its reverse (43812071132), we get a palindrome (66929092966).

The spelling of 23117021834 in words is "twenty-three billion, one hundred seventeen million, twenty-one thousand, eight hundred thirty-four".