12173547403 has 2 divisors, whose sum is σ = 12173547404. Its totient is φ = 12173547402.

The previous prime is 12173547367. The next prime is 12173547487. The reversal of 12173547403 is 30474537121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12173547403 - 2²⁵ = 12139992971 is a prime.

It is not a weakly prime, because it can be changed into another prime (12173587403) 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 as a sum of consecutive naturals, namely, 6086773701 + 6086773702.

It is an arithmetic number, because the mean of its divisors is an integer number (6086773702).

Almost surely, 2^12173547403 is an apocalyptic number.

12173547403 is a deficient number, since it is larger than the sum of its proper divisors (1).

12173547403 is an equidigital number, since it uses as much as digits as its factorization.

12173547403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 70560, while the sum is 37.

The spelling of 12173547403 in words is "twelve billion, one hundred seventy-three million, five hundred forty-seven thousand, four hundred three".