53423242322321 has 4 divisors (see below), whose sum is σ = 54023503472100. Its totient is φ = 52822981172544.

The previous prime is 53423242322297. The next prime is 53423242322327. The reversal of 53423242322321 is 12322324232435.

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

It can be written as a sum of positive squares in 2 ways, for example, as 15280710993025 + 38142531329296 = 3909055^2 + 6175964^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53423242322321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53423242322327) 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, 300130574756 + ... + 300130574933.

It is an arithmetic number, because the mean of its divisors is an integer number (13505875868025).

Almost surely, 2^{53423242322321} is an apocalyptic number.

It is an amenable number.

53423242322321 is a deficient number, since it is larger than the sum of its proper divisors (600261149779).

53423242322321 is an equidigital number, since it uses as much as digits as its factorization.

53423242322321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600261149778.

The product of its digits is 414720, while the sum is 38.

Adding to 53423242322321 its reverse (12322324232435), we get a palindrome (65745566554756).

The spelling of 53423242322321 in words is "fifty-three trillion, four hundred twenty-three billion, two hundred forty-two million, three hundred twenty-two thousand, three hundred twenty-one".