238023042177164 has 12 divisors (see below), whose sum is σ = 416540513373600. Its totient is φ = 119011466927568.

The previous prime is 238023042177163. The next prime is 238023042177191. The reversal of 238023042177164 is 461771240320832.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (238023042177161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2685179 + ... + 21983090.

It is an arithmetic number, because the mean of its divisors is an integer number (34711709447800).

Almost surely, 2^{238023042177164} is an apocalyptic number.

It is an amenable number.

238023042177164 is a deficient number, since it is larger than the sum of its proper divisors (178517471196436).

238023042177164 is a wasteful number, since it uses less digits than its factorization.

238023042177164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27080512 (or 27080510 counting only the distinct ones).

The product of its (nonzero) digits is 2709504, while the sum is 50.

Adding to 238023042177164 its reverse (461771240320832), we get a palindrome (699794282497996).

The spelling of 238023042177164 in words is "two hundred thirty-eight trillion, twenty-three billion, forty-two million, one hundred seventy-seven thousand, one hundred sixty-four".