1383923383 has 4 divisors (see below), whose sum is σ = 1386925848. Its totient is φ = 1380920920.

The previous prime is 1383923377. The next prime is 1383923393. The reversal of 1383923383 is 3833293831.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1383923383 - 2²¹ = 1381826231 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 (1383923393) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1500541 + ... + 1501462.

It is an arithmetic number, because the mean of its divisors is an integer number (346731462).

Almost surely, 2^1383923383 is an apocalyptic number.

1383923383 is a deficient number, since it is larger than the sum of its proper divisors (3002465).

1383923383 is an equidigital number, since it uses as much as digits as its factorization.

1383923383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3002464.

The product of its digits is 279936, while the sum is 43.

The square root of 1383923383 is about 37201.1207223653. The cubic root of 1383923383 is about 1114.3903664655.

The spelling of 1383923383 in words is "one billion, three hundred eighty-three million, nine hundred twenty-three thousand, three hundred eighty-three".