379778123 has 2 divisors, whose sum is σ = 379778124. Its totient is φ = 379778122.

The previous prime is 379778081. The next prime is 379778149. The reversal of 379778123 is 321877973.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 379778123 - 2¹² = 379774027 is a prime.

It is not a weakly prime, because it can be changed into another prime (379778723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 189889061 + 189889062.

It is an arithmetic number, because the mean of its divisors is an integer number (189889062).

Almost surely, 2^379778123 is an apocalyptic number.

379778123 is a deficient number, since it is larger than the sum of its proper divisors (1).

379778123 is an equidigital number, since it uses as much as digits as its factorization.

379778123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 444528, while the sum is 47.

The square root of 379778123 is about 19487.8968336760. The cubic root of 379778123 is about 724.1746441065.

The spelling of 379778123 in words is "three hundred seventy-nine million, seven hundred seventy-eight thousand, one hundred twenty-three".