20174423875 has 8 divisors (see below), whose sum is σ = 25177681152. Its totient is φ = 16139539000.

The previous prime is 20174423873. The next prime is 20174423897. The reversal of 20174423875 is 57832447102.

It is not a de Polignac number, because 20174423875 - 2¹ = 20174423873 is a prime.

It is a hoax number, since the sum of its digits (43) 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 (20174423873) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80697571 + ... + 80697820.

It is an arithmetic number, because the mean of its divisors is an integer number (3147210144).

Almost surely, 2^20174423875 is an apocalyptic number.

20174423875 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

20174423875 is a deficient number, since it is larger than the sum of its proper divisors (5003257277).

20174423875 is an equidigital number, since it uses as much as digits as its factorization.

20174423875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161395406 (or 161395396 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 43.

The spelling of 20174423875 in words is "twenty billion, one hundred seventy-four million, four hundred twenty-three thousand, eight hundred seventy-five".