23484778 has 4 divisors (see below), whose sum is σ = 35227170. Its totient is φ = 11742388.

The previous prime is 23484761. The next prime is 23484821. The reversal of 23484778 is 87748432.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 23396569 + 88209 = 4837^2 + 297^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 5871193 + ... + 5871196.

Almost surely, 2^23484778 is an apocalyptic number.

23484778 is a deficient number, since it is larger than the sum of its proper divisors (11742392).

23484778 is a wasteful number, since it uses less digits than its factorization.

23484778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11742391.

The product of its digits is 301056, while the sum is 43.

The square root of 23484778 is about 4846.1095736683. The cubic root of 23484778 is about 286.3708573517.

The spelling of 23484778 in words is "twenty-three million, four hundred eighty-four thousand, seven hundred seventy-eight".