378710123 has 4 divisors (see below), whose sum is σ = 413138328. Its totient is φ = 344281920.

The previous prime is 378710119. The next prime is 378710141. The reversal of 378710123 is 321017873.

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 378710123 - 2² = 378710119 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 378710123.

It is not an unprimeable number, because it can be changed into a prime (378710183) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17214086 + ... + 17214107.

It is an arithmetic number, because the mean of its divisors is an integer number (103284582).

Almost surely, 2^378710123 is an apocalyptic number.

378710123 is a deficient number, since it is larger than the sum of its proper divisors (34428205).

378710123 is a wasteful number, since it uses less digits than its factorization.

378710123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34428204.

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 378710123 is about 19460.4759191547. The cubic root of 378710123 is about 723.4951731187.

Adding to 378710123 its reverse (321017873), we get a palindrome (699727996).

The spelling of 378710123 in words is "three hundred seventy-eight million, seven hundred ten thousand, one hundred twenty-three".