238860421127 has 4 divisors (see below), whose sum is σ = 239768635920. Its totient is φ = 237952206336.

The previous prime is 238860421091. The next prime is 238860421157. The reversal of 238860421127 is 721124068832.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 238860421127 - 2¹⁴ = 238860404743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238860421157) 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, 454107002 + ... + 454107527.

It is an arithmetic number, because the mean of its divisors is an integer number (59942158980).

Almost surely, 2^238860421127 is an apocalyptic number.

238860421127 is a deficient number, since it is larger than the sum of its proper divisors (908214793).

238860421127 is an equidigital number, since it uses as much as digits as its factorization.

238860421127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 908214792.

The product of its (nonzero) digits is 258048, while the sum is 44.

Adding to 238860421127 its reverse (721124068832), we get a palindrome (959984489959).

The spelling of 238860421127 in words is "two hundred thirty-eight billion, eight hundred sixty million, four hundred twenty-one thousand, one hundred twenty-seven".