52406323 has 4 divisors (see below), whose sum is σ = 53684568. Its totient is φ = 51128080.

The previous prime is 52406317. The next prime is 52406327. The reversal of 52406323 is 32360425.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52406323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52406327) 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, 639061 + ... + 639142.

It is an arithmetic number, because the mean of its divisors is an integer number (13421142).

Almost surely, 2^52406323 is an apocalyptic number.

52406323 is a deficient number, since it is larger than the sum of its proper divisors (1278245).

52406323 is a wasteful number, since it uses less digits than its factorization.

52406323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1278244.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 52406323 is about 7239.2211597657. The cubic root of 52406323 is about 374.2207772124.

Adding to 52406323 its reverse (32360425), we get a palindrome (84766748).

The spelling of 52406323 in words is "fifty-two million, four hundred six thousand, three hundred twenty-three".