1338201723 has 12 divisors (see below), whose sum is σ = 1847920568. Its totient is φ = 861369600.

The previous prime is 1338201721. The next prime is 1338201737. The reversal of 1338201723 is 3271028331.

It is not a de Polignac number, because 1338201723 - 2¹ = 1338201721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1338201721) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 262678 + ... + 267723.

Almost surely, 2^1338201723 is an apocalyptic number.

1338201723 is a deficient number, since it is larger than the sum of its proper divisors (509718845).

1338201723 is an equidigital number, since it uses as much as digits as its factorization.

1338201723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530462 (or 530433 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 1338201723 is about 36581.4395971509. The cubic root of 1338201723 is about 1101.9803782286.

The spelling of 1338201723 in words is "one billion, three hundred thirty-eight million, two hundred one thousand, seven hundred twenty-three".