234163121 has 4 divisors (see below), whose sum is σ = 240491892. Its totient is φ = 227834352.

The previous prime is 234163109. The next prime is 234163123. The reversal of 234163121 is 121361432.

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

It can be written as a sum of positive squares in 2 ways, for example, as 203205025 + 30958096 = 14255^2 + 5564^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-234163121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (234163123) 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, 3164330 + ... + 3164403.

It is an arithmetic number, because the mean of its divisors is an integer number (60122973).

Almost surely, 2^234163121 is an apocalyptic number.

It is an amenable number.

234163121 is a deficient number, since it is larger than the sum of its proper divisors (6328771).

234163121 is an equidigital number, since it uses as much as digits as its factorization.

234163121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6328770.

The product of its digits is 864, while the sum is 23.

The square root of 234163121 is about 15302.3893885890. The cubic root of 234163121 is about 616.3671710845.

The spelling of 234163121 in words is "two hundred thirty-four million, one hundred sixty-three thousand, one hundred twenty-one".