233401121 has 4 divisors (see below), whose sum is σ = 233585172. Its totient is φ = 233217072.

The previous prime is 233401117. The next prime is 233401123. The reversal of 233401121 is 121104332.

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 187690000 + 45711121 = 13700^2 + 6761^2 .

It is a cyclic number.

It is not a de Polignac number, because 233401121 - 2² = 233401117 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 233401121.

It is not an unprimeable number, because it can be changed into a prime (233401123) 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, 90110 + ... + 92663.

It is an arithmetic number, because the mean of its divisors is an integer number (58396293).

Almost surely, 2^233401121 is an apocalyptic number.

It is an amenable number.

233401121 is a deficient number, since it is larger than the sum of its proper divisors (184051).

233401121 is a wasteful number, since it uses less digits than its factorization.

233401121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184050.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 233401121 is about 15277.4710276276. The cubic root of 233401121 is about 615.6978624918.

Adding to 233401121 its reverse (121104332), we get a palindrome (354505453).

The spelling of 233401121 in words is "two hundred thirty-three million, four hundred one thousand, one hundred twenty-one".