423784431657453 has 32 divisors (see below), whose sum is σ = 567313698631680. Its totient is φ = 281391436120320.

The previous prime is 423784431657451. The next prime is 423784431657547. The reversal of 423784431657453 is 354756134487324.

It is not a de Polignac number, because 423784431657453 - 2¹ = 423784431657451 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423784431657451) 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 31 ways as a sum of consecutive naturals, for example, 8230875876 + ... + 8230927362.

It is an arithmetic number, because the mean of its divisors is an integer number (17728553082240).

Almost surely, 2^{423784431657453} is an apocalyptic number.

It is an amenable number.

423784431657453 is a deficient number, since it is larger than the sum of its proper divisors (143529266974227).

423784431657453 is a wasteful number, since it uses less digits than its factorization.

423784431657453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62817.

The product of its digits is 812851200, while the sum is 66.

The spelling of 423784431657453 in words is "four hundred twenty-three trillion, seven hundred eighty-four billion, four hundred thirty-one million, six hundred fifty-seven thousand, four hundred fifty-three".