423504269144 has 96 divisors (see below), whose sum is σ = 968645908800. Its totient is φ = 171642401280.

The previous prime is 423504269057. The next prime is 423504269171. The reversal of 423504269144 is 441962405324.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a junction number, because it is equal to n+sod(n) for n = 423504269095 and 423504269104.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44987 + ... + 921429.

It is an arithmetic number, because the mean of its divisors is an integer number (10090061550).

Almost surely, 2^423504269144 is an apocalyptic number.

423504269144 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 423504269144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (484322954400).

423504269144 is an abundant number, since it is smaller than the sum of its proper divisors (545141639656).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

423504269144 is a wasteful number, since it uses less digits than its factorization.

423504269144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 876513 (or 876492 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 44.

The spelling of 423504269144 in words is "four hundred twenty-three billion, five hundred four million, two hundred sixty-nine thousand, one hundred forty-four".