28354029123 has 16 divisors (see below), whose sum is σ = 43209457920. Its totient is φ = 16201058016.

The previous prime is 28354029113. The next prime is 28354029299. The reversal of 28354029123 is 32192045382.

It is not a de Polignac number, because 28354029123 - 2¹⁰ = 28354028099 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28354029103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 276436 + ... + 364862.

It is an arithmetic number, because the mean of its divisors is an integer number (2700591120).

Almost surely, 2^28354029123 is an apocalyptic number.

28354029123 is a deficient number, since it is larger than the sum of its proper divisors (14855428797).

28354029123 is a wasteful number, since it uses less digits than its factorization.

28354029123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103706.

The product of its (nonzero) digits is 103680, while the sum is 39.

The spelling of 28354029123 in words is "twenty-eight billion, three hundred fifty-four million, twenty-nine thousand, one hundred twenty-three".