23265343140778 has 16 divisors (see below), whose sum is σ = 35729624500416. Its totient is φ = 11355771762720.

The previous prime is 23265343140727. The next prime is 23265343140811. The reversal of 23265343140778 is 87704134356232.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75709603 + ... + 76016278.

It is an arithmetic number, because the mean of its divisors is an integer number (2233101531276).

Almost surely, 2^{23265343140778} is an apocalyptic number.

23265343140778 is a deficient number, since it is larger than the sum of its proper divisors (12464281359638).

23265343140778 is a wasteful number, since it uses less digits than its factorization.

23265343140778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151727709.

The product of its (nonzero) digits is 20321280, while the sum is 55.

The spelling of 23265343140778 in words is "twenty-three trillion, two hundred sixty-five billion, three hundred forty-three million, one hundred forty thousand, seven hundred seventy-eight".