232000121 has 4 divisors (see below), whose sum is σ = 232032612. Its totient is φ = 231967632.

The previous prime is 232000117. The next prime is 232000147. The reversal of 232000121 is 121000232.

It is a happy number.

232000121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 77246521 + 154753600 = 8789^2 + 12440^2 .

It is a cyclic number.

It is not a de Polignac number, because 232000121 - 2² = 232000117 is a prime.

It is a super-2 number, since 2×232000121² = 107648112288029282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (232000721) 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, 350 + ... + 21543.

It is an arithmetic number, because the mean of its divisors is an integer number (58008153).

Almost surely, 2^232000121 is an apocalyptic number.

It is an amenable number.

232000121 is a deficient number, since it is larger than the sum of its proper divisors (32491).

232000121 is a wasteful number, since it uses less digits than its factorization.

232000121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32490.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 232000121 is about 15231.5501837469. The cubic root of 232000121 is about 614.4634719620.

Adding to 232000121 its reverse (121000232), we get a palindrome (353000353).

The spelling of 232000121 in words is "two hundred thirty-two million, one hundred twenty-one", and thus it is an aban number.