423786379 has 2 divisors, whose sum is σ = 423786380. Its totient is φ = 423786378.

The previous prime is 423786359. The next prime is 423786401. The reversal of 423786379 is 973687324.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 423786379 - 2¹¹ = 423784331 is a prime.

It is not a weakly prime, because it can be changed into another prime (423786329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211893189 + 211893190.

It is an arithmetic number, because the mean of its divisors is an integer number (211893190).

Almost surely, 2^423786379 is an apocalyptic number.

423786379 is a deficient number, since it is larger than the sum of its proper divisors (1).

423786379 is an equidigital number, since it uses as much as digits as its factorization.

423786379 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1524096, while the sum is 49.

The square root of 423786379 is about 20586.0724520245. The cubic root of 423786379 is about 751.1309627442.

The spelling of 423786379 in words is "four hundred twenty-three million, seven hundred eighty-six thousand, three hundred seventy-nine".