30253143543343 has 16 divisors (see below), whose sum is σ = 34894782711360. Its totient is φ = 25691479658496.

The previous prime is 30253143543299. The next prime is 30253143543361. The reversal of 30253143543343 is 34334534135203.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30253143543343 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30253143543343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30253143543373) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9003405 + ... + 11898217.

It is an arithmetic number, because the mean of its divisors is an integer number (2180923919460).

Almost surely, 2^{30253143543343} is an apocalyptic number.

30253143543343 is a deficient number, since it is larger than the sum of its proper divisors (4641639168017).

30253143543343 is a wasteful number, since it uses less digits than its factorization.

30253143543343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2908626.

The product of its (nonzero) digits is 2332800, while the sum is 43.

Adding to 30253143543343 its reverse (34334534135203), we get a palindrome (64587677678546).

The spelling of 30253143543343 in words is "thirty trillion, two hundred fifty-three billion, one hundred forty-three million, five hundred forty-three thousand, three hundred forty-three".