38965003723 has 4 divisors (see below), whose sum is σ = 39166895128. Its totient is φ = 38763112320.

The previous prime is 38965003687. The next prime is 38965003729. The reversal of 38965003723 is 32730056983.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32730056983 = 13 ⋅2517696691.

It is a cyclic number.

It is not a de Polignac number, because 38965003723 - 2²⁹ = 38428132811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38965003729) 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 3 ways as a sum of consecutive naturals, for example, 100945413 + ... + 100945798.

It is an arithmetic number, because the mean of its divisors is an integer number (9791723782).

Almost surely, 2^38965003723 is an apocalyptic number.

38965003723 is a deficient number, since it is larger than the sum of its proper divisors (201891405).

38965003723 is a wasteful number, since it uses less digits than its factorization.

38965003723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201891404.

The product of its (nonzero) digits is 816480, while the sum is 46.

The spelling of 38965003723 in words is "thirty-eight billion, nine hundred sixty-five million, three thousand, seven hundred twenty-three".