52140323 has 8 divisors (see below), whose sum is σ = 53102400. Its totient is φ = 51185088.

The previous prime is 52140317. The next prime is 52140329. The reversal of 52140323 is 32304125.

It is a happy number.

52140323 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (52140317) and next prime (52140329).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52140323 is a prime.

It is a super-2 number, since 2×52140323² = 5437226565088658, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52140295 and 52140304.

It is not an unprimeable number, because it can be changed into a prime (52140329) 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 7 ways as a sum of consecutive naturals, for example, 15158 + ... + 18276.

It is an arithmetic number, because the mean of its divisors is an integer number (6637800).

Almost surely, 2^52140323 is an apocalyptic number.

52140323 is a deficient number, since it is larger than the sum of its proper divisors (962077).

52140323 is a wasteful number, since it uses less digits than its factorization.

52140323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3421.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 52140323 is about 7220.8256453123. The cubic root of 52140323 is about 373.5865559030.

Adding to 52140323 its reverse (32304125), we get a palindrome (84444448).

The spelling of 52140323 in words is "fifty-two million, one hundred forty thousand, three hundred twenty-three".