423450416454 has 96 divisors (see below), whose sum is σ = 927489911040. Its totient is φ = 128815629696.

The previous prime is 423450416449. The next prime is 423450416533. The reversal of 423450416454 is 454614054324.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 53822229 + ... + 53830095.

It is an arithmetic number, because the mean of its divisors is an integer number (9661353240).

Almost surely, 2^423450416454 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 423450416454, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (463744955520).

423450416454 is an abundant number, since it is smaller than the sum of its proper divisors (504039494586).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

423450416454 is a wasteful number, since it uses less digits than its factorization.

423450416454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8494 (or 8481 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 42.

The spelling of 423450416454 in words is "four hundred twenty-three billion, four hundred fifty million, four hundred sixteen thousand, four hundred fifty-four".