380209523 has 16 divisors (see below), whose sum is σ = 401953440. Its totient is φ = 359251200.

The previous prime is 380209519. The next prime is 380209537. The reversal of 380209523 is 325902083.

It is a cyclic number.

It is not a de Polignac number, because 380209523 - 2² = 380209519 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 380209523.

It is not an unprimeable number, because it can be changed into a prime (380209223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 166433 + ... + 168701.

It is an arithmetic number, because the mean of its divisors is an integer number (25122090).

Almost surely, 2^380209523 is an apocalyptic number.

380209523 is a deficient number, since it is larger than the sum of its proper divisors (21743917).

380209523 is a wasteful number, since it uses less digits than its factorization.

380209523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2438.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 380209523 is about 19498.9621005837. The cubic root of 380209523 is about 724.4487433818.

The spelling of 380209523 in words is "three hundred eighty million, two hundred nine thousand, five hundred twenty-three".