383148427 has 2 divisors, whose sum is σ = 383148428. Its totient is φ = 383148426.

The previous prime is 383148391. The next prime is 383148511. The reversal of 383148427 is 724841383.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 383148427 - 2¹⁹ = 382624139 is a prime.

It is a super-2 number, since 2×383148427² = 293605434225148658, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 383148427.

It is not a weakly prime, because it can be changed into another prime (383148527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 191574213 + 191574214.

It is an arithmetic number, because the mean of its divisors is an integer number (191574214).

Almost surely, 2^383148427 is an apocalyptic number.

383148427 is a deficient number, since it is larger than the sum of its proper divisors (1).

383148427 is an equidigital number, since it uses as much as digits as its factorization.

383148427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 129024, while the sum is 40.

The square root of 383148427 is about 19574.1775561580. The cubic root of 383148427 is about 726.3105440385.

The spelling of 383148427 in words is "three hundred eighty-three million, one hundred forty-eight thousand, four hundred twenty-seven".