383962823 has 2 divisors, whose sum is σ = 383962824. Its totient is φ = 383962822.

The previous prime is 383962771. The next prime is 383962847. The reversal of 383962823 is 328269383.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-383962823 is a prime.

It is a super-2 number, since 2×383962823² = 294854898892258658, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (383967823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 191981411 + 191981412.

It is an arithmetic number, because the mean of its divisors is an integer number (191981412).

Almost surely, 2^383962823 is an apocalyptic number.

383962823 is a deficient number, since it is larger than the sum of its proper divisors (1).

383962823 is an equidigital number, since it uses as much as digits as its factorization.

383962823 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 373248, while the sum is 44.

The square root of 383962823 is about 19594.9693288864. The cubic root of 383962823 is about 726.8247797466.

The spelling of 383962823 in words is "three hundred eighty-three million, nine hundred sixty-two thousand, eight hundred twenty-three".