378264623 has 4 divisors (see below), whose sum is σ = 412652328. Its totient is φ = 343876920.

The previous prime is 378264589. The next prime is 378264629. The reversal of 378264623 is 326462873.

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 378264623 - 2²⁶ = 311155759 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378264629) 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, 17193836 + ... + 17193857.

It is an arithmetic number, because the mean of its divisors is an integer number (103163082).

Almost surely, 2^378264623 is an apocalyptic number.

378264623 is a deficient number, since it is larger than the sum of its proper divisors (34387705).

378264623 is a wasteful number, since it uses less digits than its factorization.

378264623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34387704.

The product of its digits is 290304, while the sum is 41.

The square root of 378264623 is about 19449.0262738267. The cubic root of 378264623 is about 723.2113645188.

The spelling of 378264623 in words is "three hundred seventy-eight million, two hundred sixty-four thousand, six hundred twenty-three".