1383223831 has 8 divisors (see below), whose sum is σ = 1509830928. Its totient is φ = 1256760000.

The previous prime is 1383223781. The next prime is 1383223867.

1383223831 is nontrivially palindromic in base 10.

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 1383223831 - 2⁹ = 1383223319 is a prime.

It is a super-2 number, since 2×1383223831² = 3826616333292633122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1383253831) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15100 + ... + 54721.

It is an arithmetic number, because the mean of its divisors is an integer number (188728866).

Almost surely, 2^1383223831 is an apocalyptic number.

1383223831 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1383223831 is a deficient number, since it is larger than the sum of its proper divisors (126607097).

1383223831 is a wasteful number, since it uses less digits than its factorization.

1383223831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71633.

The product of its digits is 20736, while the sum is 34.

The square root of 1383223831 is about 37191.7172365031. The cubic root of 1383223831 is about 1114.2025657509.

The spelling of 1383223831 in words is "one billion, three hundred eighty-three million, two hundred twenty-three thousand, eight hundred thirty-one".