64303343 has 4 divisors (see below), whose sum is σ = 69249768. Its totient is φ = 59356920.

The previous prime is 64303339. The next prime is 64303381. The reversal of 64303343 is 34330346.

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 64303343 - 2² = 64303339 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 (64303303) 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, 2473193 + ... + 2473218.

It is an arithmetic number, because the mean of its divisors is an integer number (17312442).

Almost surely, 2^64303343 is an apocalyptic number.

64303343 is a deficient number, since it is larger than the sum of its proper divisors (4946425).

64303343 is a wasteful number, since it uses less digits than its factorization.

64303343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4946424.

The product of its (nonzero) digits is 7776, while the sum is 26.

The square root of 64303343 is about 8018.9365255001. The cubic root of 64303343 is about 400.6309687561.

Adding to 64303343 its reverse (34330346), we get a palindrome (98633689).

It can be divided in two parts, 64303 and 343, that added together give a palindrome (64646).

The spelling of 64303343 in words is "sixty-four million, three hundred three thousand, three hundred forty-three".