233402434 has 4 divisors (see below), whose sum is σ = 350103654. Its totient is φ = 116701216.

The previous prime is 233402399. The next prime is 233402437. The reversal of 233402434 is 434204332.

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

It can be written as a sum of positive squares in only one way, i.e., 204404209 + 28998225 = 14297^2 + 5385^2 .

It is a junction number, because it is equal to n+sod(n) for n = 233402399 and 233402408.

It is not an unprimeable number, because it can be changed into a prime (233402437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58350607 + ... + 58350610.

Almost surely, 2^233402434 is an apocalyptic number.

233402434 is a deficient number, since it is larger than the sum of its proper divisors (116701220).

233402434 is a wasteful number, since it uses less digits than its factorization.

233402434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116701219.

The product of its (nonzero) digits is 6912, while the sum is 25.

The square root of 233402434 is about 15277.5139993390. The cubic root of 233402434 is about 615.6990170275.

Adding to 233402434 its reverse (434204332), we get a palindrome (667606766).

The spelling of 233402434 in words is "two hundred thirty-three million, four hundred two thousand, four hundred thirty-four".