234203403313 has 4 divisors (see below), whose sum is σ = 255494621808. Its totient is φ = 212912184820.

The previous prime is 234203403253. The next prime is 234203403349. The reversal of 234203403313 is 313304302432.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 234203403313 - 2²⁹ = 233666532401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (234203403013) 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, 10645609231 + ... + 10645609252.

It is an arithmetic number, because the mean of its divisors is an integer number (63873655452).

Almost surely, 2^234203403313 is an apocalyptic number.

It is an amenable number.

234203403313 is a deficient number, since it is larger than the sum of its proper divisors (21291218495).

234203403313 is a wasteful number, since it uses less digits than its factorization.

234203403313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21291218494.

The product of its (nonzero) digits is 15552, while the sum is 28.

Adding to 234203403313 its reverse (313304302432), we get a palindrome (547507705745).

The spelling of 234203403313 in words is "two hundred thirty-four billion, two hundred three million, four hundred three thousand, three hundred thirteen".