1381440282623 has 8 divisors (see below), whose sum is σ = 1385212250928. Its totient is φ = 1377668680704.

The previous prime is 1381440282613. The next prime is 1381440282659. The reversal of 1381440282623 is 3262820441831.

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 1381440282623 - 2⁸ = 1381440282367 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 (1381440282613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8574911 + ... + 8734527.

It is an arithmetic number, because the mean of its divisors is an integer number (173151531366).

Almost surely, 2^{1381440282623} is an apocalyptic number.

1381440282623 is a deficient number, since it is larger than the sum of its proper divisors (3771968305).

1381440282623 is a wasteful number, since it uses less digits than its factorization.

1381440282623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183193.

The product of its (nonzero) digits is 442368, while the sum is 44.

The spelling of 1381440282623 in words is "one trillion, three hundred eighty-one billion, four hundred forty million, two hundred eighty-two thousand, six hundred twenty-three".