28370525123 has 12 divisors (see below), whose sum is σ = 30414072480. Its totient is φ = 26456671872.

The previous prime is 28370525119. The next prime is 28370525137. The reversal of 28370525123 is 32152507382.

It is not a de Polignac number, because 28370525123 - 2² = 28370525119 is a prime.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28370525023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 418811 + ... + 481812.

It is an arithmetic number, because the mean of its divisors is an integer number (2534506040).

Almost surely, 2^28370525123 is an apocalyptic number.

28370525123 is a deficient number, since it is larger than the sum of its proper divisors (2043547357).

28370525123 is a wasteful number, since it uses less digits than its factorization.

28370525123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 900766 (or 900749 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 38.

The spelling of 28370525123 in words is "twenty-eight billion, three hundred seventy million, five hundred twenty-five thousand, one hundred twenty-three".