238297231143 has 6 divisors (see below), whose sum is σ = 344207111664. Its totient is φ = 158864820756.

The previous prime is 238297231121. The next prime is 238297231171. The reversal of 238297231143 is 341132792832.

238297231143 is a `hidden beast` number, since 2 + 3 + 8 + 297 + 2 + 311 + 43 = 666.

It is not a de Polignac number, because 238297231143 - 2²⁰ = 238296182567 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238297231103) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13238735055 + ... + 13238735072.

It is an arithmetic number, because the mean of its divisors is an integer number (57367851944).

Almost surely, 2^238297231143 is an apocalyptic number.

238297231143 is a deficient number, since it is larger than the sum of its proper divisors (105909880521).

238297231143 is a wasteful number, since it uses less digits than its factorization.

238297231143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26477470133 (or 26477470130 counting only the distinct ones).

The product of its digits is 435456, while the sum is 45.

The spelling of 238297231143 in words is "two hundred thirty-eight billion, two hundred ninety-seven million, two hundred thirty-one thousand, one hundred forty-three".