100123424434 has 64 divisors (see below), whose sum is σ = 176463100800. Its totient is φ = 42102144000.

The previous prime is 100123424411. The next prime is 100123424437. The reversal of 100123424434 is 434424321001.

It is not an unprimeable number, because it can be changed into a prime (100123424437) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5241052 + ... + 5260120.

It is an arithmetic number, because the mean of its divisors is an integer number (2757235950).

Almost surely, 2^100123424434 is an apocalyptic number.

100123424434 is a deficient number, since it is larger than the sum of its proper divisors (76339676366).

100123424434 is a wasteful number, since it uses less digits than its factorization.

100123424434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19339.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 100123424434 its reverse (434424321001), we get a palindrome (534547745435).

The spelling of 100123424434 in words is "one hundred billion, one hundred twenty-three million, four hundred twenty-four thousand, four hundred thirty-four".