451342223346543 has 16 divisors (see below), whose sum is σ = 615793614712320. Its totient is φ = 293893025497344.

The previous prime is 451342223346541. The next prime is 451342223346557. The reversal of 451342223346543 is 345643322243154.

It is not a de Polignac number, because 451342223346543 - 2¹ = 451342223346541 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (451342223346541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16218823 + ... + 34142856.

It is an arithmetic number, because the mean of its divisors is an integer number (38487100919520).

Almost surely, 2^{451342223346543} is an apocalyptic number.

451342223346543 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

451342223346543 is a deficient number, since it is larger than the sum of its proper divisors (164451391365777).

451342223346543 is a wasteful number, since it uses less digits than its factorization.

451342223346543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50431198.

The product of its digits is 24883200, while the sum is 51.

Adding to 451342223346543 its reverse (345643322243154), we get a palindrome (796985545589697).

The spelling of 451342223346543 in words is "four hundred fifty-one trillion, three hundred forty-two billion, two hundred twenty-three million, three hundred forty-six thousand, five hundred forty-three".