5432123642 has 16 divisors (see below), whose sum is σ = 8890195392. Its totient is φ = 2468795520.

The previous prime is 5432123623. The next prime is 5432123657. The reversal of 5432123642 is 2463212345.

It is a junction number, because it is equal to n+sod(n) for n = 5432123599 and 5432123608.

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 7 ways as a sum of consecutive naturals, for example, 200603 + ... + 226065.

It is an arithmetic number, because the mean of its divisors is an integer number (555637212).

Almost surely, 2^5432123642 is an apocalyptic number.

5432123642 is a deficient number, since it is larger than the sum of its proper divisors (3458071750).

5432123642 is a wasteful number, since it uses less digits than its factorization.

5432123642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35173.

The product of its digits is 34560, while the sum is 32.

The square root of 5432123642 is about 73702.9418815830. The cubic root of 5432123642 is about 1757.8826597546.

Adding to 5432123642 its reverse (2463212345), we get a palindrome (7895335987).

The spelling of 5432123642 in words is "five billion, four hundred thirty-two million, one hundred twenty-three thousand, six hundred forty-two".