238430121 has 8 divisors (see below), whose sum is σ = 331728960. Its totient is φ = 152042352.

The previous prime is 238430099. The next prime is 238430147. The reversal of 238430121 is 121034832.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 238430121 - 2¹⁴ = 238413737 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 238430091 and 238430100.

It is not an unprimeable number, because it can be changed into a prime (238430821) 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, 1727686 + ... + 1727823.

It is an arithmetic number, because the mean of its divisors is an integer number (41466120).

Almost surely, 2^238430121 is an apocalyptic number.

It is an amenable number.

238430121 is a deficient number, since it is larger than the sum of its proper divisors (93298839).

238430121 is a wasteful number, since it uses less digits than its factorization.

238430121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3455535.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 238430121 is about 15441.1826295786. The cubic root of 238430121 is about 620.0885418120.

Adding to 238430121 its reverse (121034832), we get a palindrome (359464953).

The spelling of 238430121 in words is "two hundred thirty-eight million, four hundred thirty thousand, one hundred twenty-one".