23660306545 has 16 divisors (see below), whose sum is σ = 29316533760. Its totient is φ = 18312480000.

The previous prime is 23660306543. The next prime is 23660306557. The reversal of 23660306545 is 54560306632.

It is not a de Polignac number, because 23660306545 - 2¹ = 23660306543 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23660306498 and 23660306507.

It is not an unprimeable number, because it can be changed into a prime (23660306543) 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 15 ways as a sum of consecutive naturals, for example, 583170 + ... + 622420.

It is an arithmetic number, because the mean of its divisors is an integer number (1832283360).

Almost surely, 2^23660306545 is an apocalyptic number.

It is an amenable number.

23660306545 is a deficient number, since it is larger than the sum of its proper divisors (5656227215).

23660306545 is a wasteful number, since it uses less digits than its factorization.

23660306545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43176.

The product of its (nonzero) digits is 388800, while the sum is 40.

The spelling of 23660306545 in words is "twenty-three billion, six hundred sixty million, three hundred six thousand, five hundred forty-five".