144436507223 has 4 divisors (see below), whose sum is σ = 144520337448. Its totient is φ = 144352677000.

The previous prime is 144436507217. The next prime is 144436507231. The reversal of 144436507223 is 322705634441.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 144436507223 - 2²⁶ = 144369398359 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 (144436507723) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41912528 + ... + 41915973.

It is an arithmetic number, because the mean of its divisors is an integer number (36130084362).

Almost surely, 2^144436507223 is an apocalyptic number.

144436507223 is a deficient number, since it is larger than the sum of its proper divisors (83830225).

144436507223 is an equidigital number, since it uses as much as digits as its factorization.

144436507223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83830224.

The product of its (nonzero) digits is 483840, while the sum is 41.

The spelling of 144436507223 in words is "one hundred forty-four billion, four hundred thirty-six million, five hundred seven thousand, two hundred twenty-three".