53205261323 has 4 divisors (see below), whose sum is σ = 53611408488. Its totient is φ = 52799114160.

The previous prime is 53205261287. The next prime is 53205261371. The reversal of 53205261323 is 32316250235.

53205261323 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 53205261323 - 2¹² = 53205257227 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 53205261323.

It is not an unprimeable number, because it can be changed into a prime (53205201323) 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, 203073386 + ... + 203073647.

It is an arithmetic number, because the mean of its divisors is an integer number (13402852122).

Almost surely, 2^53205261323 is an apocalyptic number.

53205261323 is a deficient number, since it is larger than the sum of its proper divisors (406147165).

53205261323 is a wasteful number, since it uses less digits than its factorization.

53205261323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406147164.

The product of its (nonzero) digits is 32400, while the sum is 32.

The spelling of 53205261323 in words is "fifty-three billion, two hundred five million, two hundred sixty-one thousand, three hundred twenty-three".