380705723 has 4 divisors (see below), whose sum is σ = 380790480. Its totient is φ = 380620968.

The previous prime is 380705711. The next prime is 380705737. The reversal of 380705723 is 327507083.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 380705723 - 2¹² = 380701627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (380755723) 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 in 3 ways as a sum of consecutive naturals, for example, 35240 + ... + 44757.

It is an arithmetic number, because the mean of its divisors is an integer number (95197620).

Almost surely, 2^380705723 is an apocalyptic number.

380705723 is a deficient number, since it is larger than the sum of its proper divisors (84757).

380705723 is an equidigital number, since it uses as much as digits as its factorization.

380705723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84756.

The product of its (nonzero) digits is 35280, while the sum is 35.

The square root of 380705723 is about 19511.6817060960. The cubic root of 380705723 is about 724.7637584630.

The spelling of 380705723 in words is "three hundred eighty million, seven hundred five thousand, seven hundred twenty-three".