38261802123 has 18 divisors (see below), whose sum is σ = 57238534964. Its totient is φ = 24628281552.

The previous prime is 38261802113. The next prime is 38261802127. The reversal of 38261802123 is 32120816283.

38261802123 is a `hidden beast` number, since 38 + 2 + 618 + 0 + 2 + 1 + 2 + 3 = 666.

It is not a de Polignac number, because 38261802123 - 2¹⁰ = 38261801099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38261802127) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2519965 + ... + 2535102.

Almost surely, 2^38261802123 is an apocalyptic number.

38261802123 is a deficient number, since it is larger than the sum of its proper divisors (18976732841).

38261802123 is a wasteful number, since it uses less digits than its factorization.

38261802123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5055131 (or 5055099 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The spelling of 38261802123 in words is "thirty-eight billion, two hundred sixty-one million, eight hundred two thousand, one hundred twenty-three".