23468778 has 40 divisors (see below), whose sum is σ = 52868772. Its totient is φ = 7781184.

The previous prime is 23468777. The next prime is 23468791. The reversal of 23468778 is 87786432.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 23357889 + 110889 = 4833^2 + 333^2 .

It is not an unprimeable number, because it can be changed into a prime (23468773) 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 19 ways as a sum of consecutive naturals, for example, 51126 + ... + 51582.

Almost surely, 2^23468778 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23468778, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26434386).

23468778 is an abundant number, since it is smaller than the sum of its proper divisors (29399994).

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

23468778 is a wasteful number, since it uses less digits than its factorization.

23468778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 788 (or 779 counting only the distinct ones).

The product of its digits is 451584, while the sum is 45.

The square root of 23468778 is about 4844.4584836698. The cubic root of 23468778 is about 286.3058084839.

The spelling of 23468778 in words is "twenty-three million, four hundred sixty-eight thousand, seven hundred seventy-eight".