65630343 has 4 divisors (see below), whose sum is σ = 87507128. Its totient is φ = 43753560.

The previous prime is 65630321. The next prime is 65630359. The reversal of 65630343 is 34303656.

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

It is not a de Polignac number, because 65630343 - 2⁵ = 65630311 is a prime.

It is a super-3 number, since 3×65630343³ (a number of 24 digits) contains 333 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 65630343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65630303) 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, 10938388 + ... + 10938393.

It is an arithmetic number, because the mean of its divisors is an integer number (21876782).

Almost surely, 2^65630343 is an apocalyptic number.

65630343 is a deficient number, since it is larger than the sum of its proper divisors (21876785).

65630343 is a wasteful number, since it uses less digits than its factorization.

65630343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21876784.

The product of its (nonzero) digits is 19440, while the sum is 30.

The square root of 65630343 is about 8101.2556434173. The cubic root of 65630343 is about 403.3681079383.

Adding to 65630343 its reverse (34303656), we get a palindrome (99933999).

The spelling of 65630343 in words is "sixty-five million, six hundred thirty thousand, three hundred forty-three".