53146423 has 4 divisors (see below), whose sum is σ = 57977928. Its totient is φ = 48314920.

The previous prime is 53146421. The next prime is 53146427. The reversal of 53146423 is 32464135.

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 53146423 - 2¹ = 53146421 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53146391 and 53146400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53146421) 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, 2415736 + ... + 2415757.

It is an arithmetic number, because the mean of its divisors is an integer number (14494482).

Almost surely, 2^53146423 is an apocalyptic number.

53146423 is a deficient number, since it is larger than the sum of its proper divisors (4831505).

53146423 is a wasteful number, since it uses less digits than its factorization.

53146423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4831504.

The product of its digits is 8640, while the sum is 28.

The square root of 53146423 is about 7290.1593261053. The cubic root of 53146423 is about 375.9741734751.

The spelling of 53146423 in words is "fifty-three million, one hundred forty-six thousand, four hundred twenty-three".