23444321087159 has 6 divisors (see below), whose sum is σ = 27271965346344. Its totient is φ = 20095132360380.

The previous prime is 23444321087147. The next prime is 23444321087179. The reversal of 23444321087159 is 95178012344432.

It is a de Polignac number, because none of the positive numbers 2^k-23444321087159 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23444321087159.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23444321087179) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 239227766147 + ... + 239227766244.

It is an arithmetic number, because the mean of its divisors is an integer number (4545327557724).

Almost surely, 2^{23444321087159} is an apocalyptic number.

23444321087159 is a deficient number, since it is larger than the sum of its proper divisors (3827644259185).

23444321087159 is an equidigital number, since it uses as much as digits as its factorization.

23444321087159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478455532405 (or 478455532398 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 53.

The spelling of 23444321087159 in words is "twenty-three trillion, four hundred forty-four billion, three hundred twenty-one million, eighty-seven thousand, one hundred fifty-nine".