380644723 has 12 divisors (see below), whose sum is σ = 391282920. Its totient is φ = 370195232.

The previous prime is 380644717. The next prime is 380644751. The reversal of 380644723 is 327446083.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-380644723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (380642723) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1676736 + ... + 1676962.

It is an arithmetic number, because the mean of its divisors is an integer number (32606910).

Almost surely, 2^380644723 is an apocalyptic number.

380644723 is a deficient number, since it is larger than the sum of its proper divisors (10638197).

380644723 is an frugal number, since it uses more digits than its factorization.

380644723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 626 (or 399 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 37.

The square root of 380644723 is about 19510.1184773440. The cubic root of 380644723 is about 724.7250470663.

The spelling of 380644723 in words is "three hundred eighty million, six hundred forty-four thousand, seven hundred twenty-three".