1728466423 has 8 divisors (see below), whose sum is σ = 1829606400. Its totient is φ = 1628343288.

The previous prime is 1728466379. The next prime is 1728466447. The reversal of 1728466423 is 3246648271.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1728466423 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 1728466423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1728466723) 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, 250711 + ... + 257512.

It is an arithmetic number, because the mean of its divisors is an integer number (228700800).

Almost surely, 2^1728466423 is an apocalyptic number.

1728466423 is a deficient number, since it is larger than the sum of its proper divisors (101139977).

1728466423 is a wasteful number, since it uses less digits than its factorization.

1728466423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508421.

The product of its digits is 387072, while the sum is 43.

The square root of 1728466423 is about 41574.8291998897. The cubic root of 1728466423 is about 1200.1079585742.

The spelling of 1728466423 in words is "one billion, seven hundred twenty-eight million, four hundred sixty-six thousand, four hundred twenty-three".