23557813678 has 16 divisors (see below), whose sum is σ = 40399807104. Its totient is φ = 10092459960.

The previous prime is 23557813607. The next prime is 23557813739. The reversal of 23557813678 is 87631875532.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 272908 + ... + 348703.

It is an arithmetic number, because the mean of its divisors is an integer number (2524987944).

Almost surely, 2^23557813678 is an apocalyptic number.

23557813678 is a deficient number, since it is larger than the sum of its proper divisors (16841993426).

23557813678 is a wasteful number, since it uses less digits than its factorization.

23557813678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 624327.

The product of its digits is 8467200, while the sum is 55.

The spelling of 23557813678 in words is "twenty-three billion, five hundred fifty-seven million, eight hundred thirteen thousand, six hundred seventy-eight".