144423013 has 8 divisors (see below), whose sum is σ = 165128832. Its totient is φ = 123735696.

The previous prime is 144422983. The next prime is 144423023. The reversal of 144423013 is 310324441.

144423013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 144423013 - 2¹⁷ = 144291941 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 (144423023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23631 + ... + 29107.

It is an arithmetic number, because the mean of its divisors is an integer number (20641104).

Almost surely, 2^144423013 is an apocalyptic number.

It is an amenable number.

144423013 is a deficient number, since it is larger than the sum of its proper divisors (20705819).

144423013 is an equidigital number, since it uses as much as digits as its factorization.

144423013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9251.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 144423013 is about 12017.6126164892. The cubic root of 144423013 is about 524.6610213892.

Adding to 144423013 its reverse (310324441), we get a palindrome (454747454).

The spelling of 144423013 in words is "one hundred forty-four million, four hundred twenty-three thousand, thirteen".