53072323 has 4 divisors (see below), whose sum is σ = 53087328. Its totient is φ = 53057320.

The previous prime is 53072309. The next prime is 53072333. The reversal of 53072323 is 32327035.

It is a happy number.

53072323 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53072323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53072303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1065 + ... + 10357.

It is an arithmetic number, because the mean of its divisors is an integer number (13271832).

Almost surely, 2^53072323 is an apocalyptic number.

53072323 is a deficient number, since it is larger than the sum of its proper divisors (15005).

53072323 is an equidigital number, since it uses as much as digits as its factorization.

53072323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15004.

The product of its (nonzero) digits is 3780, while the sum is 25.

The square root of 53072323 is about 7285.0753599397. The cubic root of 53072323 is about 375.7993567918.

Adding to 53072323 its reverse (32327035), we get a palindrome (85399358).

The spelling of 53072323 in words is "fifty-three million, seventy-two thousand, three hundred twenty-three".