132450478423 has 4 divisors (see below), whose sum is σ = 132499737520. Its totient is φ = 132401219328.

The previous prime is 132450478411. The next prime is 132450478441. The reversal of 132450478423 is 324874054231.

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 132450478423 - 2²¹ = 132448381271 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 132450478423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132450478123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24625515 + ... + 24630892.

It is an arithmetic number, because the mean of its divisors is an integer number (33124934380).

Almost surely, 2^132450478423 is an apocalyptic number.

132450478423 is a deficient number, since it is larger than the sum of its proper divisors (49259097).

132450478423 is an equidigital number, since it uses as much as digits as its factorization.

132450478423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49259096.

The product of its (nonzero) digits is 645120, while the sum is 43.

The spelling of 132450478423 in words is "one hundred thirty-two billion, four hundred fifty million, four hundred seventy-eight thousand, four hundred twenty-three".