1438795893823 has 8 divisors (see below), whose sum is σ = 1454891880960. Its totient is φ = 1422725683200.

The previous prime is 1438795893817. The next prime is 1438795893851. The reversal of 1438795893823 is 3283985978341.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1438795893823 - 2¹⁷ = 1438795762751 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1438795813823) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6331858 + ... + 6555151.

It is an arithmetic number, because the mean of its divisors is an integer number (181861485120).

Almost surely, 2^{1438795893823} is an apocalyptic number.

1438795893823 is a deficient number, since it is larger than the sum of its proper divisors (16095987137).

1438795893823 is a wasteful number, since it uses less digits than its factorization.

1438795893823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12888257.

The product of its digits is 313528320, while the sum is 70.

The spelling of 1438795893823 in words is "one trillion, four hundred thirty-eight billion, seven hundred ninety-five million, eight hundred ninety-three thousand, eight hundred twenty-three".