65623043 has 8 divisors (see below), whose sum is σ = 69620112. Its totient is φ = 61641216.

The previous prime is 65623021. The next prime is 65623049. The reversal of 65623043 is 34032656.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 65623043 - 2¹⁰ = 65622019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 65622997 and 65623015.

It is not an unprimeable number, because it can be changed into a prime (65623049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5771 + ... + 12827.

It is an arithmetic number, because the mean of its divisors is an integer number (8702514).

Almost surely, 2^65623043 is an apocalyptic number.

65623043 is a deficient number, since it is larger than the sum of its proper divisors (3997069).

65623043 is a wasteful number, since it uses less digits than its factorization.

65623043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7621.

The product of its (nonzero) digits is 12960, while the sum is 29.

The square root of 65623043 is about 8100.8050834470. The cubic root of 65623043 is about 403.3531519680.

Adding to 65623043 its reverse (34032656), we get a palindrome (99655699).

The spelling of 65623043 in words is "sixty-five million, six hundred twenty-three thousand, forty-three".