65723233 has 8 divisors (see below), whose sum is σ = 67084200. Its totient is φ = 64366848.

The previous prime is 65723201. The next prime is 65723239. The reversal of 65723233 is 33232756.

It can be written as a sum of positive squares in 4 ways, for example, as 30118144 + 35605089 = 5488^2 + 5967^2 .

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 65723233 - 2⁵ = 65723201 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 65723195 and 65723204.

It is not an unprimeable number, because it can be changed into a prime (65723239) 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, 52863 + ... + 54091.

It is an arithmetic number, because the mean of its divisors is an integer number (8385525).

Almost surely, 2^65723233 is an apocalyptic number.

It is an amenable number.

65723233 is a deficient number, since it is larger than the sum of its proper divisors (1360967).

65723233 is a wasteful number, since it uses less digits than its factorization.

65723233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2291.

The product of its digits is 22680, while the sum is 31.

The square root of 65723233 is about 8106.9866781684. The cubic root of 65723233 is about 403.5583207703.

Adding to 65723233 its reverse (33232756), we get a palindrome (98955989).

It can be divided in two parts, 65723 and 233, that added together give a palindrome (65956).

The spelling of 65723233 in words is "sixty-five million, seven hundred twenty-three thousand, two hundred thirty-three".