378458723 has 2 divisors, whose sum is σ = 378458724. Its totient is φ = 378458722.

The previous prime is 378458687. The next prime is 378458749. The reversal of 378458723 is 327854873.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 378458723 - 2⁸ = 378458467 is a prime.

It is not a weakly prime, because it can be changed into another prime (378458753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 189229361 + 189229362.

It is an arithmetic number, because the mean of its divisors is an integer number (189229362).

Almost surely, 2^378458723 is an apocalyptic number.

378458723 is a deficient number, since it is larger than the sum of its proper divisors (1).

378458723 is an equidigital number, since it uses as much as digits as its factorization.

378458723 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1128960, while the sum is 47.

The square root of 378458723 is about 19454.0156008984. The cubic root of 378458723 is about 723.3350445334.

The spelling of 378458723 in words is "three hundred seventy-eight million, four hundred fifty-eight thousand, seven hundred twenty-three".