23625138686 has 4 divisors (see below), whose sum is σ = 35437708032. Its totient is φ = 11812569342.

The previous prime is 23625138683. The next prime is 23625138709. The reversal of 23625138686 is 68683152632.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23625138683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5906284670 + ... + 5906284673.

It is an arithmetic number, because the mean of its divisors is an integer number (8859427008).

Almost surely, 2^23625138686 is an apocalyptic number.

23625138686 is a deficient number, since it is larger than the sum of its proper divisors (11812569346).

23625138686 is a wasteful number, since it uses less digits than its factorization.

23625138686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11812569345.

The product of its digits is 2488320, while the sum is 50.

The spelling of 23625138686 in words is "twenty-three billion, six hundred twenty-five million, one hundred thirty-eight thousand, six hundred eighty-six".