53121324123 has 64 divisors (see below), whose sum is σ = 90462873600. Its totient is φ = 30179381760.

The previous prime is 53121324079. The next prime is 53121324127. The reversal of 53121324123 is 32142312135.

53121324123 is a `hidden beast` number, since 5 + 31 + 213 + 2 + 412 + 3 = 666.

53121324123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 53121324123 - 2⁹ = 53121323611 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (53121324127) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 40212303 + ... + 40213623.

It is an arithmetic number, because the mean of its divisors is an integer number (1413482400).

Almost surely, 2^53121324123 is an apocalyptic number.

53121324123 is a deficient number, since it is larger than the sum of its proper divisors (37341549477).

53121324123 is a wasteful number, since it uses less digits than its factorization.

53121324123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2409 (or 2403 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

Adding to 53121324123 its reverse (32142312135), we get a palindrome (85263636258).

The spelling of 53121324123 in words is "fifty-three billion, one hundred twenty-one million, three hundred twenty-four thousand, one hundred twenty-three".