23445312645 has 8 divisors (see below), whose sum is σ = 37512500256. Its totient is φ = 12504166736.

The previous prime is 23445312623. The next prime is 23445312661. The reversal of 23445312645 is 54621354432.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23445312645 - 2⁹ = 23445312133 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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, 781510407 + ... + 781510436.

It is an arithmetic number, because the mean of its divisors is an integer number (4689062532).

Almost surely, 2^23445312645 is an apocalyptic number.

It is an amenable number.

23445312645 is a deficient number, since it is larger than the sum of its proper divisors (14067187611).

23445312645 is a wasteful number, since it uses less digits than its factorization.

23445312645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1563020851.

The product of its digits is 345600, while the sum is 39.

The spelling of 23445312645 in words is "twenty-three billion, four hundred forty-five million, three hundred twelve thousand, six hundred forty-five".