423504269143 has 4 divisors (see below), whose sum is σ = 423506039488. Its totient is φ = 423502498800.

The previous prime is 423504269057. The next prime is 423504269171. The reversal of 423504269143 is 341962405324.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-423504269143 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 423504269143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423504269443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 457446 + ... + 1027747.

It is an arithmetic number, because the mean of its divisors is an integer number (105876509872).

Almost surely, 2^423504269143 is an apocalyptic number.

423504269143 is a deficient number, since it is larger than the sum of its proper divisors (1770345).

423504269143 is a wasteful number, since it uses less digits than its factorization.

423504269143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1770344.

The product of its (nonzero) digits is 622080, while the sum is 43.

The spelling of 423504269143 in words is "four hundred twenty-three billion, five hundred four million, two hundred sixty-nine thousand, one hundred forty-three".