545421435423 has 8 divisors (see below), whose sum is σ = 727315426608. Its totient is φ = 363570867264.

The previous prime is 545421435421. The next prime is 545421435439. The reversal of 545421435423 is 324534124545.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 545421435423 - 2¹ = 545421435421 is a prime.

It is a super-3 number, since 3×545421435423³ (a number of 36 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545421435421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10826436 + ... + 10876697.

It is an arithmetic number, because the mean of its divisors is an integer number (90914428326).

Almost surely, 2^545421435423 is an apocalyptic number.

545421435423 is a deficient number, since it is larger than the sum of its proper divisors (181893991185).

545421435423 is a wasteful number, since it uses less digits than its factorization.

545421435423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21711513.

The product of its digits is 1152000, while the sum is 42.

Adding to 545421435423 its reverse (324534124545), we get a palindrome (869955559968).

The spelling of 545421435423 in words is "five hundred forty-five billion, four hundred twenty-one million, four hundred thirty-five thousand, four hundred twenty-three".