23208378 has 16 divisors (see below), whose sum is σ = 47549376. Its totient is φ = 7547360.

The previous prime is 23208301. The next prime is 23208391. The reversal of 23208378 is 87380232.

It is a happy number.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46926 + ... + 47417.

It is an arithmetic number, because the mean of its divisors is an integer number (2971836).

Almost surely, 2^23208378 is an apocalyptic number.

23208378 is an abundant number, since it is smaller than the sum of its proper divisors (24340998).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23208378 is a wasteful number, since it uses less digits than its factorization.

23208378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94389.

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 23208378 is about 4817.5074468028. The cubic root of 23208378 is about 285.2429568757.

The spelling of 23208378 in words is "twenty-three million, two hundred eight thousand, three hundred seventy-eight".