23094778 has 12 divisors (see below), whose sum is σ = 40298202. Its totient is φ = 9897720.

The previous prime is 23094769. The next prime is 23094779. The reversal of 23094778 is 87749032.

It can be written as a sum of positive squares in only one way, i.e., 20007729 + 3087049 = 4473^2 + 1757^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 23094778.

It is not an unprimeable number, because it can be changed into a prime (23094779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 117733 + ... + 117928.

Almost surely, 2^23094778 is an apocalyptic number.

23094778 is a deficient number, since it is larger than the sum of its proper divisors (17203424).

23094778 is a wasteful number, since it uses less digits than its factorization.

23094778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235677 (or 235670 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 40.

The square root of 23094778 is about 4805.7026541391. The cubic root of 23094778 is about 284.7767945602.

The spelling of 23094778 in words is "twenty-three million, ninety-four thousand, seven hundred seventy-eight".