23427771340765 has 24 divisors (see below), whose sum is σ = 30913511088600. Its totient is φ = 17031714606720.

The previous prime is 23427771340681. The next prime is 23427771340783. The reversal of 23427771340765 is 56704317772432.

It can be written as a sum of positive squares in 4 ways, for example, as 78667908484 + 23349103432281 = 280478^2 + 4832091^2 .

It is not a de Polignac number, because 23427771340765 - 2¹³ = 23427771332573 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6025090 + ... + 9119059.

It is an arithmetic number, because the mean of its divisors is an integer number (1288062962025).

Almost surely, 2^{23427771340765} is an apocalyptic number.

It is an amenable number.

23427771340765 is a deficient number, since it is larger than the sum of its proper divisors (7485739747835).

23427771340765 is a wasteful number, since it uses less digits than its factorization.

23427771340765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15146733 (or 15146722 counting only the distinct ones).

The product of its (nonzero) digits is 41489280, while the sum is 58.

The spelling of 23427771340765 in words is "twenty-three trillion, four hundred twenty-seven billion, seven hundred seventy-one million, three hundred forty thousand, seven hundred sixty-five".