423142544453 has 8 divisors (see below), whose sum is σ = 450508607640. Its totient is φ = 396051517440.

The previous prime is 423142544399. The next prime is 423142544477. The reversal of 423142544453 is 354445241324.

It can be written as a sum of positive squares in 4 ways, for example, as 80235094564 + 342907449889 = 283258^2 + 585583^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 423142544453 - 2¹⁰ = 423142543429 is a prime.

It is a super-2 number, since 2×423142544453² (a number of 24 digits) contains 22 as substring.

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 423142544453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423142244453) 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, 68755868 + ... + 68762021.

It is an arithmetic number, because the mean of its divisors is an integer number (56313575955).

Almost surely, 2^423142544453 is an apocalyptic number.

It is an amenable number.

423142544453 is a deficient number, since it is larger than the sum of its proper divisors (27366063187).

423142544453 is a wasteful number, since it uses less digits than its factorization.

423142544453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137518087.

The product of its digits is 921600, while the sum is 41.

Adding to 423142544453 its reverse (354445241324), we get a palindrome (777587785777).

The spelling of 423142544453 in words is "four hundred twenty-three billion, one hundred forty-two million, five hundred forty-four thousand, four hundred fifty-three".