423144004501 has 16 divisors (see below), whose sum is σ = 461299795200. Its totient is φ = 386608275648.

The previous prime is 423144004487. The next prime is 423144004541. The reversal of 423144004501 is 105400441324.

It is a cyclic number.

It is not a de Polignac number, because 423144004501 - 2⁷ = 423144004373 is a prime.

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 423144004501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423144004541) 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, 45396 + ... + 921058.

It is an arithmetic number, because the mean of its divisors is an integer number (28831237200).

Almost surely, 2^423144004501 is an apocalyptic number.

It is an amenable number.

423144004501 is a deficient number, since it is larger than the sum of its proper divisors (38155790699).

423144004501 is a wasteful number, since it uses less digits than its factorization.

423144004501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 876588.

The product of its (nonzero) digits is 7680, while the sum is 28.

Adding to 423144004501 its reverse (105400441324), we get a palindrome (528544445825).

The spelling of 423144004501 in words is "four hundred twenty-three billion, one hundred forty-four million, four thousand, five hundred one".