1038668823 has 6 divisors (see below), whose sum is σ = 1500299424. Its totient is φ = 692445876.

The previous prime is 1038668821. The next prime is 1038668831. The reversal of 1038668823 is 3288668301.

It is not a de Polignac number, because 1038668823 - 2¹ = 1038668821 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1038668821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 57703815 + ... + 57703832.

It is an arithmetic number, because the mean of its divisors is an integer number (250049904).

Almost surely, 2^1038668823 is an apocalyptic number.

1038668823 is a deficient number, since it is larger than the sum of its proper divisors (461630601).

1038668823 is a wasteful number, since it uses less digits than its factorization.

1038668823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115407653 (or 115407650 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 45.

The square root of 1038668823 is about 32228.3853613550. The cubic root of 1038668823 is about 1012.7269453784.

The spelling of 1038668823 in words is "one billion, thirty-eight million, six hundred sixty-eight thousand, eight hundred twenty-three".