1338073823 has 2 divisors, whose sum is σ = 1338073824. Its totient is φ = 1338073822.

The previous prime is 1338073777. The next prime is 1338073831. The reversal of 1338073823 is 3283708331.

It is a strong prime.

It is an emirp because it is prime and its reverse (3283708331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1338073823 - 2¹⁴ = 1338057439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1338073843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 669036911 + 669036912.

It is an arithmetic number, because the mean of its divisors is an integer number (669036912).

Almost surely, 2^1338073823 is an apocalyptic number.

1338073823 is a deficient number, since it is larger than the sum of its proper divisors (1).

1338073823 is an equidigital number, since it uses as much as digits as its factorization.

1338073823 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 38.

The square root of 1338073823 is about 36579.6914011040. The cubic root of 1338073823 is about 1101.9452694757.

The spelling of 1338073823 in words is "one billion, three hundred thirty-eight million, seventy-three thousand, eight hundred twenty-three".