1383923 has 2 divisors, whose sum is σ = 1383924. Its totient is φ = 1383922.

The previous prime is 1383917. The next prime is 1383937. The reversal of 1383923 is 3293831.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1383923 - 2⁸ = 1383667 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (1383913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 691961 + 691962.

It is an arithmetic number, because the mean of its divisors is an integer number (691962).

2^1383923 is an apocalyptic number.

1383923 is a deficient number, since it is larger than the sum of its proper divisors (1).

1383923 is an equidigital number, since it uses as much as digits as its factorization.

1383923 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3888, while the sum is 29.

The square root of 1383923 is about 1176.4025671512. The cubic root of 1383923 is about 111.4390263663.

The spelling of 1383923 in words is "one million, three hundred eighty-three thousand, nine hundred twenty-three".