23525656678 has 8 divisors (see below), whose sum is σ = 35291476080. Its totient is φ = 11761831320.

The previous prime is 23525656639. The next prime is 23525656691. The reversal of 23525656678 is 87665652532.

It is a happy number.

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

It is a super-3 number, since 3×23525656678³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

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, 468658 + ... + 516421.

It is an arithmetic number, because the mean of its divisors is an integer number (4411434510).

Almost surely, 2^23525656678 is an apocalyptic number.

23525656678 is a deficient number, since it is larger than the sum of its proper divisors (11765819402).

23525656678 is a wasteful number, since it uses less digits than its factorization.

23525656678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 997022.

The product of its digits is 18144000, while the sum is 55.

The spelling of 23525656678 in words is "twenty-three billion, five hundred twenty-five million, six hundred fifty-six thousand, six hundred seventy-eight".