253300143321 has 12 divisors (see below), whose sum is σ = 370890012948. Its totient is φ = 166553518464.

The previous prime is 253300143319. The next prime is 253300143389. The reversal of 253300143321 is 123341003352.

253300143321 is a `hidden beast` number, since 2 + 5 + 330 + 0 + 1 + 4 + 3 + 321 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 149896737225 + 103403406096 = 387165^2 + 321564^2 .

It is not a de Polignac number, because 253300143321 - 2¹ = 253300143319 is a prime.

It is not an unprimeable number, because it can be changed into a prime (253300103321) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 192769620 + ... + 192770933.

It is an arithmetic number, because the mean of its divisors is an integer number (30907501079).

Almost surely, 2^253300143321 is an apocalyptic number.

It is an amenable number.

253300143321 is a deficient number, since it is larger than the sum of its proper divisors (117589869627).

253300143321 is a wasteful number, since it uses less digits than its factorization.

253300143321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385540632 (or 385540629 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

Adding to 253300143321 its reverse (123341003352), we get a palindrome (376641146673).

The spelling of 253300143321 in words is "two hundred fifty-three billion, three hundred million, one hundred forty-three thousand, three hundred twenty-one".