64234343 has 4 divisors (see below), whose sum is σ = 64659888. Its totient is φ = 63808800.

The previous prime is 64234321. The next prime is 64234349. The reversal of 64234343 is 34343246.

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

It is a cyclic number.

It is not a de Polignac number, because 64234343 - 2²⁰ = 63185767 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 (64234349) 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, 212546 + ... + 212847.

It is an arithmetic number, because the mean of its divisors is an integer number (16164972).

Almost surely, 2^64234343 is an apocalyptic number.

64234343 is a deficient number, since it is larger than the sum of its proper divisors (425545).

64234343 is a wasteful number, since it uses less digits than its factorization.

64234343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425544.

The product of its digits is 20736, while the sum is 29.

The square root of 64234343 is about 8014.6330546071. The cubic root of 64234343 is about 400.4876199088.

Adding to 64234343 its reverse (34343246), we get a palindrome (98577589).

The spelling of 64234343 in words is "sixty-four million, two hundred thirty-four thousand, three hundred forty-three".