23785928571445 has 8 divisors (see below), whose sum is σ = 28934115851736. Its totient is φ = 18768075146496.

The previous prime is 23785928571443. The next prime is 23785928571491. The reversal of 23785928571445 is 54417582958732.

It can be written as a sum of positive squares in 4 ways, for example, as 221719498641 + 23564209072804 = 470871^2 + 4854298^2 .

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 23785928571445 - 2¹ = 23785928571443 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23785928571443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32583463432 + ... + 32583464161.

It is an arithmetic number, because the mean of its divisors is an integer number (3616764481467).

Almost surely, 2^{23785928571445} is an apocalyptic number.

It is an amenable number.

23785928571445 is a deficient number, since it is larger than the sum of its proper divisors (5148187280291).

23785928571445 is an equidigital number, since it uses as much as digits as its factorization.

23785928571445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65166927671.

The product of its digits is 677376000, while the sum is 70.

The spelling of 23785928571445 in words is "twenty-three trillion, seven hundred eighty-five billion, nine hundred twenty-eight million, five hundred seventy-one thousand, four hundred forty-five".