5123143242 has 96 divisors (see below), whose sum is σ = 13848307200. Its totient is φ = 1386697968.

The previous prime is 5123143231. The next prime is 5123143313. The reversal of 5123143242 is 2423413215.

5123143242 is a `hidden beast` number, since 512 + 3 + 143 + 2 + 4 + 2 = 666.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 25009 + ... + 104267.

It is an arithmetic number, because the mean of its divisors is an integer number (144253200).

Almost surely, 2^5123143242 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5123143242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6924153600).

5123143242 is an abundant number, since it is smaller than the sum of its proper divisors (8725163958).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5123143242 is a wasteful number, since it uses less digits than its factorization.

5123143242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79302 (or 79290 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 5123143242 is about 71576.1359812054. The cubic root of 5123143242 is about 1723.9003834987.

Adding to 5123143242 its reverse (2423413215), we get a palindrome (7546556457).

The spelling of 5123143242 in words is "five billion, one hundred twenty-three million, one hundred forty-three thousand, two hundred forty-two".