23520346778 has 16 divisors (see below), whose sum is σ = 35622535776. Its totient is φ = 11646678960.

The previous prime is 23520346771. The next prime is 23520346783. The reversal of 23520346778 is 87764302532.

23520346778 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (23520346771) 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 7 ways as a sum of consecutive naturals, for example, 35213 + ... + 219728.

It is an arithmetic number, because the mean of its divisors is an integer number (2226408486).

Almost surely, 2^23520346778 is an apocalyptic number.

23520346778 is a deficient number, since it is larger than the sum of its proper divisors (12102188998).

23520346778 is a wasteful number, since it uses less digits than its factorization.

23520346778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255389.

The product of its (nonzero) digits is 1693440, while the sum is 47.

The spelling of 23520346778 in words is "twenty-three billion, five hundred twenty million, three hundred forty-six thousand, seven hundred seventy-eight".