238023042177728 has 56 divisors (see below), whose sum is σ = 474046101933840. Its totient is φ = 118578444042240.

The previous prime is 238023042177727. The next prime is 238023042177763. The reversal of 238023042177728 is 827771240320832.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (238023042177721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 171754208 + ... + 173134496.

Almost surely, 2^{238023042177728} is an apocalyptic number.

It is an amenable number.

238023042177728 is a deficient number, since it is larger than the sum of its proper divisors (236023059756112).

238023042177728 is a wasteful number, since it uses less digits than its factorization.

238023042177728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1390105 (or 1390095 counting only the distinct ones).

The product of its (nonzero) digits is 12644352, while the sum is 56.

The spelling of 238023042177728 in words is "two hundred thirty-eight trillion, twenty-three billion, forty-two million, one hundred seventy-seven thousand, seven hundred twenty-eight".