53423403205 has 4 divisors (see below), whose sum is σ = 64108083852. Its totient is φ = 42738722560.

The previous prime is 53423403179. The next prime is 53423403217. The reversal of 53423403205 is 50230432435.

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 16981738596 + 36441664609 = 130314^2 + 190897^2 .

It is not a de Polignac number, because 53423403205 - 2⁹ = 53423402693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5342340316 + ... + 5342340325.

It is an arithmetic number, because the mean of its divisors is an integer number (16027020963).

Almost surely, 2^53423403205 is an apocalyptic number.

It is an amenable number.

53423403205 is a deficient number, since it is larger than the sum of its proper divisors (10684680647).

53423403205 is a wasteful number, since it uses less digits than its factorization.

53423403205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10684680646.

The product of its (nonzero) digits is 43200, while the sum is 31.

The spelling of 53423403205 in words is "fifty-three billion, four hundred twenty-three million, four hundred three thousand, two hundred five".