253355444230321 has 8 divisors (see below), whose sum is σ = 270765796364640. Its totient is φ = 236223657730368.

The previous prime is 253355444230277. The next prime is 253355444230363. The reversal of 253355444230321 is 123032444553352.

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 253355444230321 - 2¹³ = 253355444222129 is a prime.

It is a super-2 number, since 2×253355444230321² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (253355444230381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69641406711 + ... + 69641410348.

It is an arithmetic number, because the mean of its divisors is an integer number (33845724545580).

Almost surely, 2^{253355444230321} is an apocalyptic number.

It is an amenable number.

253355444230321 is a deficient number, since it is larger than the sum of its proper divisors (17410352134319).

253355444230321 is a wasteful number, since it uses less digits than its factorization.

253355444230321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139282817183.

The product of its (nonzero) digits is 5184000, while the sum is 46.

Adding to 253355444230321 its reverse (123032444553352), we get a palindrome (376387888783673).

The spelling of 253355444230321 in words is "two hundred fifty-three trillion, three hundred fifty-five billion, four hundred forty-four million, two hundred thirty thousand, three hundred twenty-one".