234402133 has 6 divisors (see below), whose sum is σ = 272671926. Its totient is φ = 200916072.

The previous prime is 234402127. The next prime is 234402139. The reversal of 234402133 is 331204432.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (234402127) and next prime (234402139).

It can be written as a sum of positive squares in only one way, i.e., 218980804 + 15421329 = 14798^2 + 3927^2 .

It is not a de Polignac number, because 234402133 - 2⁵ = 234402101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234402139) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2391810 + ... + 2391907.

It is an arithmetic number, because the mean of its divisors is an integer number (45445321).

Almost surely, 2^234402133 is an apocalyptic number.

It is an amenable number.

234402133 is a deficient number, since it is larger than the sum of its proper divisors (38269793).

234402133 is an equidigital number, since it uses as much as digits as its factorization.

234402133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4783731 (or 4783724 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 234402133 is about 15310.1970268184. The cubic root of 234402133 is about 616.5768099249.

Adding to 234402133 its reverse (331204432), we get a palindrome (565606565).

The spelling of 234402133 in words is "two hundred thirty-four million, four hundred two thousand, one hundred thirty-three".