53423052043 has 4 divisors (see below), whose sum is σ = 53425356840. Its totient is φ = 53420747248.

The previous prime is 53423052017. The next prime is 53423052083. The reversal of 53423052043 is 34025032435.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53423052043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53423051996 and 53423052014.

It is not an unprimeable number, because it can be changed into a prime (53423052083) 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, 1117273 + ... + 1164106.

It is an arithmetic number, because the mean of its divisors is an integer number (13356339210).

Almost surely, 2^53423052043 is an apocalyptic number.

53423052043 is a deficient number, since it is larger than the sum of its proper divisors (2304797).

53423052043 is a wasteful number, since it uses less digits than its factorization.

53423052043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2304796.

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

Adding to 53423052043 its reverse (34025032435), we get a palindrome (87448084478).

The spelling of 53423052043 in words is "fifty-three billion, four hundred twenty-three million, fifty-two thousand, forty-three".