38723312743 has 4 divisors (see below), whose sum is σ = 38729106808. Its totient is φ = 38717518680.

The previous prime is 38723312711. The next prime is 38723312819. The reversal of 38723312743 is 34721332783.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 38723312743 - 2⁵ = 38723312711 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 38723312743.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38723912743) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2886996 + ... + 2900377.

It is an arithmetic number, because the mean of its divisors is an integer number (9682276702).

Almost surely, 2^38723312743 is an apocalyptic number.

38723312743 is a deficient number, since it is larger than the sum of its proper divisors (5794065).

38723312743 is an equidigital number, since it uses as much as digits as its factorization.

38723312743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5794064.

The product of its digits is 508032, while the sum is 43.

The spelling of 38723312743 in words is "thirty-eight billion, seven hundred twenty-three million, three hundred twelve thousand, seven hundred forty-three".