378606232231 has 2 divisors, whose sum is σ = 378606232232. Its totient is φ = 378606232230.

The previous prime is 378606232189. The next prime is 378606232247. The reversal of 378606232231 is 132232606873.

It is a strong prime.

It is an emirp because it is prime and its reverse (132232606873) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 378606232231 - 2²¹ = 378604135079 is a prime.

It is a super-2 number, since 2×378606232231² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (378606232261) 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, 189303116115 + 189303116116.

It is an arithmetic number, because the mean of its divisors is an integer number (189303116116).

Almost surely, 2^378606232231 is an apocalyptic number.

378606232231 is a deficient number, since it is larger than the sum of its proper divisors (1).

378606232231 is an equidigital number, since it uses as much as digits as its factorization.

378606232231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 435456, while the sum is 43.

The spelling of 378606232231 in words is "three hundred seventy-eight billion, six hundred six million, two hundred thirty-two thousand, two hundred thirty-one".