423321144003 has 24 divisors (see below), whose sum is σ = 634760079408. Its totient is φ = 281925080064.

The previous prime is 423321143989. The next prime is 423321144007. The reversal of 423321144003 is 300441123324.

423321144003 is a `hidden beast` number, since 4 + 2 + 3 + 3 + 211 + 440 + 0 + 3 = 666.

It is not a de Polignac number, because 423321144003 - 2⁹ = 423321143491 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (423321144007) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 654126 + ... + 1128947.

It is an arithmetic number, because the mean of its divisors is an integer number (26448336642).

Almost surely, 2^423321144003 is an apocalyptic number.

423321144003 is a deficient number, since it is larger than the sum of its proper divisors (211438935405).

423321144003 is an equidigital number, since it uses as much as digits as its factorization.

423321144003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1784065 (or 1784053 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 423321144003 its reverse (300441123324), we get a palindrome (723762267327).

The spelling of 423321144003 in words is "four hundred twenty-three billion, three hundred twenty-one million, one hundred forty-four thousand, three".