1383531023 has 12 divisors (see below), whose sum is σ = 1661332032. Its totient is φ = 1147628160.

The previous prime is 1383531013. The next prime is 1383531031. The reversal of 1383531023 is 3201353831.

It is not a de Polignac number, because 1383531023 - 2⁶ = 1383530959 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 (1383531013) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 453890 + ... + 456927.

It is an arithmetic number, because the mean of its divisors is an integer number (138444336).

Almost surely, 2^1383531023 is an apocalyptic number.

1383531023 is a deficient number, since it is larger than the sum of its proper divisors (277801009).

1383531023 is an equidigital number, since it uses as much as digits as its factorization.

1383531023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 910862 (or 910855 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 1383531023 is about 37195.8468514967. The cubic root of 1383531023 is about 1114.2850418651.

Adding to 1383531023 its reverse (3201353831), we get a palindrome (4584884854).

The spelling of 1383531023 in words is "one billion, three hundred eighty-three million, five hundred thirty-one thousand, twenty-three".