65070823 has 4 divisors (see below), whose sum is σ = 65169928. Its totient is φ = 64971720.

The previous prime is 65070821. The next prime is 65070851. The reversal of 65070823 is 32807056.

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 65070823 - 2¹ = 65070821 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 (65070821) 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, 48561 + ... + 49882.

It is an arithmetic number, because the mean of its divisors is an integer number (16292482).

Almost surely, 2^65070823 is an apocalyptic number.

65070823 is a deficient number, since it is larger than the sum of its proper divisors (99105).

65070823 is an equidigital number, since it uses as much as digits as its factorization.

65070823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99104.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 65070823 is about 8066.6488085202. The cubic root of 65070823 is about 402.2185535510.

Adding to 65070823 its reverse (32807056), we get a palindrome (97877879).

The spelling of 65070823 in words is "sixty-five million, seventy thousand, eight hundred twenty-three".