1975473433423 has 4 divisors (see below), whose sum is σ = 2257683923920. Its totient is φ = 1693262942928.

The previous prime is 1975473433379. The next prime is 1975473433447. The reversal of 1975473433423 is 3243343745791.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1975473433423 - 2³⁷ = 1838034479951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1975473437423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141105245238 + ... + 141105245251.

It is an arithmetic number, because the mean of its divisors is an integer number (564420980980).

Almost surely, 2^{1975473433423} is an apocalyptic number.

1975473433423 is a deficient number, since it is larger than the sum of its proper divisors (282210490497).

1975473433423 is an equidigital number, since it uses as much as digits as its factorization.

1975473433423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282210490496.

The product of its digits is 22861440, while the sum is 55.

The spelling of 1975473433423 in words is "one trillion, nine hundred seventy-five billion, four hundred seventy-three million, four hundred thirty-three thousand, four hundred twenty-three".