1375839331923 has 128 divisors (see below), whose sum is σ = 2294072934400. Its totient is φ = 716485927680.

The previous prime is 1375839331877. The next prime is 1375839331963. The reversal of 1375839331923 is 3291339385731.

It is not a de Polignac number, because 1375839331923 - 2⁸ = 1375839331667 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1375839331963) 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 127 ways as a sum of consecutive naturals, for example, 3363910143 + ... + 3363910551.

It is an arithmetic number, because the mean of its divisors is an integer number (17922444800).

Almost surely, 2^{1375839331923} is an apocalyptic number.

1375839331923 is a deficient number, since it is larger than the sum of its proper divisors (918233602477).

1375839331923 is an equidigital number, since it uses as much as digits as its factorization.

1375839331923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 814 (or 752 counting only the distinct ones).

The product of its digits is 11022480, while the sum is 57.

The spelling of 1375839331923 in words is "one trillion, three hundred seventy-five billion, eight hundred thirty-nine million, three hundred thirty-one thousand, nine hundred twenty-three".