1328047223 has 12 divisors (see below), whose sum is σ = 1374748920. Its totient is φ = 1282886640.

The previous prime is 1328047219. The next prime is 1328047229. The reversal of 1328047223 is 3227408231.

It is not a de Polignac number, because 1328047223 - 2² = 1328047219 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 1328047223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1328047229) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 795836 + ... + 797502.

It is an arithmetic number, because the mean of its divisors is an integer number (114562410).

Almost surely, 2^1328047223 is an apocalyptic number.

1328047223 is a deficient number, since it is larger than the sum of its proper divisors (46701697).

1328047223 is an equidigital number, since it uses as much as digits as its factorization.

1328047223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2558 (or 2527 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 1328047223 is about 36442.3822355235. The cubic root of 1328047223 is about 1099.1859605401.

The spelling of 1328047223 in words is "one billion, three hundred twenty-eight million, forty-seven thousand, two hundred twenty-three".