234443613 has 4 divisors (see below), whose sum is σ = 312591488. Its totient is φ = 156295740.

The previous prime is 234443591. The next prime is 234443621. The reversal of 234443613 is 316344432.

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 not a de Polignac number, because 234443613 - 2⁸ = 234443357 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234443683) 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, 39073933 + ... + 39073938.

It is an arithmetic number, because the mean of its divisors is an integer number (78147872).

Almost surely, 2^234443613 is an apocalyptic number.

It is an amenable number.

234443613 is a deficient number, since it is larger than the sum of its proper divisors (78147875).

234443613 is an equidigital number, since it uses as much as digits as its factorization.

234443613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78147874.

The product of its digits is 20736, while the sum is 30.

The square root of 234443613 is about 15311.5516196106. The cubic root of 234443613 is about 616.6131777646.

The spelling of 234443613 in words is "two hundred thirty-four million, four hundred forty-three thousand, six hundred thirteen".