380657123 has 16 divisors (see below), whose sum is σ = 475042560. Its totient is φ = 296330400.

The previous prime is 380657093. The next prime is 380657131. The reversal of 380657123 is 321756083.

It is a cyclic number.

It is not a de Polignac number, because 380657123 - 2⁶ = 380657059 is a prime.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (380657143) 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, 116273 + ... + 119501.

It is an arithmetic number, because the mean of its divisors is an integer number (29690160).

Almost surely, 2^380657123 is an apocalyptic number.

380657123 is a deficient number, since it is larger than the sum of its proper divisors (94385437).

380657123 is a wasteful number, since it uses less digits than its factorization.

380657123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4778.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 380657123 is about 19510.4362585771. The cubic root of 380657123 is about 724.7329166032.

The spelling of 380657123 in words is "three hundred eighty million, six hundred fifty-seven thousand, one hundred twenty-three".