234256013 has 4 divisors (see below), whose sum is σ = 235610268. Its totient is φ = 232901760.

The previous prime is 234256007. The next prime is 234256021. The reversal of 234256013 is 310652432.

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 156075049 + 78180964 = 12493^2 + 8842^2 .

It is a cyclic number.

It is not a de Polignac number, because 234256013 - 2⁶ = 234255949 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 (234256513) 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, 676868 + ... + 677213.

It is an arithmetic number, because the mean of its divisors is an integer number (58902567).

Almost surely, 2^234256013 is an apocalyptic number.

It is an amenable number.

234256013 is a deficient number, since it is larger than the sum of its proper divisors (1354255).

234256013 is a wasteful number, since it uses less digits than its factorization.

234256013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1354254.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 234256013 is about 15305.4242999010. The cubic root of 234256013 is about 616.4486641474.

The spelling of 234256013 in words is "two hundred thirty-four million, two hundred fifty-six thousand, thirteen".