238215623909872 has 20 divisors (see below), whose sum is σ = 527477452943536. Its totient is φ = 102092410247040.

The previous prime is 238215623909863. The next prime is 238215623909899. The reversal of 238215623909872 is 278909326512832.

238215623909872 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 238215623909798 and 238215623909807.

It is a congruent number.

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, 1063462606629 + ... + 1063462606852.

Almost surely, 2^{238215623909872} is an apocalyptic number.

It is an amenable number.

238215623909872 is an abundant number, since it is smaller than the sum of its proper divisors (289261829033664).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

238215623909872 is a wasteful number, since it uses less digits than its factorization.

238215623909872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2126925213496 (or 2126925213490 counting only the distinct ones).

The product of its (nonzero) digits is 156764160, while the sum is 67.

The spelling of 238215623909872 in words is "two hundred thirty-eight trillion, two hundred fifteen billion, six hundred twenty-three million, nine hundred nine thousand, eight hundred seventy-two".