383528231 has 2 divisors, whose sum is σ = 383528232. Its totient is φ = 383528230.

The previous prime is 383528183. The next prime is 383528237. The reversal of 383528231 is 132825383.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 383528231 - 2¹⁸ = 383266087 is a prime.

It is a super-2 number, since 2×383528231² = 294187807947978722, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 383528191 and 383528200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (383528237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 191764115 + 191764116.

It is an arithmetic number, because the mean of its divisors is an integer number (191764116).

Almost surely, 2^383528231 is an apocalyptic number.

383528231 is a deficient number, since it is larger than the sum of its proper divisors (1).

383528231 is an equidigital number, since it uses as much as digits as its factorization.

383528231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34560, while the sum is 35.

The square root of 383528231 is about 19583.8768123168. The cubic root of 383528231 is about 726.5504550246.

The spelling of 383528231 in words is "three hundred eighty-three million, five hundred twenty-eight thousand, two hundred thirty-one".