1347664423 has 8 divisors (see below), whose sum is σ = 1593298080. Its totient is φ = 1115308320.

The previous prime is 1347664403. The next prime is 1347664427. The reversal of 1347664423 is 3244667431.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-1347664423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1347664427) 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, 3319168 + ... + 3319573.

It is an arithmetic number, because the mean of its divisors is an integer number (199162260).

Almost surely, 2^1347664423 is an apocalyptic number.

1347664423 is a deficient number, since it is larger than the sum of its proper divisors (245633657).

1347664423 is an equidigital number, since it uses as much as digits as its factorization.

1347664423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6638777.

The product of its digits is 290304, while the sum is 40.

The square root of 1347664423 is about 36710.5492059163. The cubic root of 1347664423 is about 1104.5717232210.

The spelling of 1347664423 in words is "one billion, three hundred forty-seven million, six hundred sixty-four thousand, four hundred twenty-three".