232240121 has 4 divisors (see below), whose sum is σ = 233254500. Its totient is φ = 231225744.

The previous prime is 232240109. The next prime is 232240123. The reversal of 232240121 is 121042232.

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 227557225 + 4682896 = 15085^2 + 2164^2 .

It is a cyclic number.

It is not a de Polignac number, because 232240121 - 2²² = 228045817 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 232240121.

It is not an unprimeable number, because it can be changed into a prime (232240123) 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, 506846 + ... + 507303.

It is an arithmetic number, because the mean of its divisors is an integer number (58313625).

Almost surely, 2^232240121 is an apocalyptic number.

It is an amenable number.

232240121 is a deficient number, since it is larger than the sum of its proper divisors (1014379).

232240121 is a wasteful number, since it uses less digits than its factorization.

232240121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1014378.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 232240121 is about 15239.4265312052. The cubic root of 232240121 is about 614.6752827859.

Adding to 232240121 its reverse (121042232), we get a palindrome (353282353).

The spelling of 232240121 in words is "two hundred thirty-two million, two hundred forty thousand, one hundred twenty-one".