234430013434 has 8 divisors (see below), whose sum is σ = 351771656148. Its totient is φ = 117172794720.

The previous prime is 234430013399. The next prime is 234430013437. The reversal of 234430013434 is 434310034432.

It can be written as a sum of positive squares in 2 ways, for example, as 199275638409 + 35154375025 = 446403^2 + 187495^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 234430013396 and 234430013405.

It is not an unprimeable number, because it can be changed into a prime (234430013437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21099057 + ... + 21110164.

Almost surely, 2^234430013434 is an apocalyptic number.

234430013434 is a deficient number, since it is larger than the sum of its proper divisors (117341642714).

234430013434 is a wasteful number, since it uses less digits than its factorization.

234430013434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42212000.

The product of its (nonzero) digits is 41472, while the sum is 31.

Adding to 234430013434 its reverse (434310034432), we get a palindrome (668740047866).

The spelling of 234430013434 in words is "two hundred thirty-four billion, four hundred thirty million, thirteen thousand, four hundred thirty-four".