238230855135 has 512 divisors, whose sum is σ = 555897323520. Its totient is φ = 94152554496.

The previous prime is 238230855127. The next prime is 238230855143. The reversal of 238230855135 is 531558032832.

It is a happy number.

238230855135 is a `hidden beast` number, since 2 + 38 + 2 + 30 + 8 + 551 + 35 = 666.

It is an interprime number because it is at equal distance from previous prime (238230855127) and next prime (238230855143).

It is not a de Polignac number, because 238230855135 - 2³ = 238230855127 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 511 ways as a sum of consecutive naturals, for example, 1875833442 + ... + 1875833568.

It is an arithmetic number, because the mean of its divisors is an integer number (1085736960).

Almost surely, 2^238230855135 is an apocalyptic number.

238230855135 is an abundant number, since it is smaller than the sum of its proper divisors (317666468385).

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

238230855135 is a wasteful number, since it uses less digits than its factorization.

238230855135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324 (or 318 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 45.

Adding to 238230855135 its reverse (531558032832), we get a palindrome (769788887967).

The spelling of 238230855135 in words is "two hundred thirty-eight billion, two hundred thirty million, eight hundred fifty-five thousand, one hundred thirty-five".