144170516623 has 16 divisors (see below), whose sum is σ = 165336837120. Its totient is φ = 123147028800.

The previous prime is 144170516599. The next prime is 144170516639. The reversal of 144170516623 is 326615071441.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144170516623 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144170516663) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16451563 + ... + 16460323.

It is an arithmetic number, because the mean of its divisors is an integer number (10333552320).

Almost surely, 2^144170516623 is an apocalyptic number.

144170516623 is a deficient number, since it is larger than the sum of its proper divisors (21166320497).

144170516623 is an equidigital number, since it uses as much as digits as its factorization.

144170516623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16638.

The product of its (nonzero) digits is 120960, while the sum is 40.

The spelling of 144170516623 in words is "one hundred forty-four billion, one hundred seventy million, five hundred sixteen thousand, six hundred twenty-three".