53335232123 has 4 divisors (see below), whose sum is σ = 53614474368. Its totient is φ = 53055989880.

The previous prime is 53335232089. The next prime is 53335232141. The reversal of 53335232123 is 32123253335.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32123253335 = 5 ⋅6424650667.

It is a cyclic number.

It is not a de Polignac number, because 53335232123 - 2²² = 53331037819 is a prime.

It is a super-2 number, since 2×53335232123² (a number of 22 digits) contains 22 as substring.

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 53335232123.

It is not an unprimeable number, because it can be changed into a prime (53335232323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139620836 + ... + 139621217.

It is an arithmetic number, because the mean of its divisors is an integer number (13403618592).

Almost surely, 2^53335232123 is an apocalyptic number.

53335232123 is a deficient number, since it is larger than the sum of its proper divisors (279242245).

53335232123 is a wasteful number, since it uses less digits than its factorization.

53335232123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279242244.

The product of its digits is 48600, while the sum is 32.

Adding to 53335232123 its reverse (32123253335), we get a palindrome (85458485458).

The spelling of 53335232123 in words is "fifty-three billion, three hundred thirty-five million, two hundred thirty-two thousand, one hundred twenty-three".