5254123442 has 16 divisors (see below), whose sum is σ = 7942361472. Its totient is φ = 2606687520.

The previous prime is 5254123423. The next prime is 5254123463. The reversal of 5254123442 is 2443214525.

It is a junction number, because it is equal to n+sod(n) for n = 5254123399 and 5254123408.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1069163 + ... + 1074065.

It is an arithmetic number, because the mean of its divisors is an integer number (496397592).

Almost surely, 2^5254123442 is an apocalyptic number.

5254123442 is a deficient number, since it is larger than the sum of its proper divisors (2688238030).

5254123442 is a wasteful number, since it uses less digits than its factorization.

5254123442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8953.

The product of its digits is 38400, while the sum is 32.

The square root of 5254123442 is about 72485.3325990852. The cubic root of 5254123442 is about 1738.4682254078.

Adding to 5254123442 its reverse (2443214525), we get a palindrome (7697337967).

The spelling of 5254123442 in words is "five billion, two hundred fifty-four million, one hundred twenty-three thousand, four hundred forty-two".