23378678855186 has 8 divisors (see below), whose sum is σ = 36277260292620. Its totient is φ = 11286258757648.

The previous prime is 23378678855179. The next prime is 23378678855221. The reversal of 23378678855186 is 68155887687332.

It can be written as a sum of positive squares in 2 ways, for example, as 19768561054225 + 3610117800961 = 4446185^2 + 1900031^2 .

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

It is a super-3 number, since 3×23378678855186³ (a number of 41 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 201540334901 + ... + 201540335016.

Almost surely, 2^{23378678855186} is an apocalyptic number.

23378678855186 is a deficient number, since it is larger than the sum of its proper divisors (12898581437434).

23378678855186 is a wasteful number, since it uses less digits than its factorization.

23378678855186 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403080669948.

The product of its digits is 3251404800, while the sum is 77.

The spelling of 23378678855186 in words is "twenty-three trillion, three hundred seventy-eight billion, six hundred seventy-eight million, eight hundred fifty-five thousand, one hundred eighty-six".