1381103023 has 2 divisors, whose sum is σ = 1381103024. Its totient is φ = 1381103022.

The previous prime is 1381102981. The next prime is 1381103039. The reversal of 1381103023 is 3203011831.

It is a strong prime.

It is an emirp because it is prime and its reverse (3203011831) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1381103023 - 2⁹ = 1381102511 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1381102985 and 1381103003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1381103923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 690551511 + 690551512.

It is an arithmetic number, because the mean of its divisors is an integer number (690551512).

Almost surely, 2^1381103023 is an apocalyptic number.

1381103023 is a deficient number, since it is larger than the sum of its proper divisors (1).

1381103023 is an equidigital number, since it uses as much as digits as its factorization.

1381103023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 1381103023 is about 37163.1944671068. The cubic root of 1381103023 is about 1113.6328294640.

Adding to 1381103023 its reverse (3203011831), we get a palindrome (4584114854).

The spelling of 1381103023 in words is "one billion, three hundred eighty-one million, one hundred three thousand, twenty-three".