144523223 has 12 divisors (see below), whose sum is σ = 158063688. Its totient is φ = 132069600.

The previous prime is 144523201. The next prime is 144523231. The reversal of 144523223 is 322325441.

It is not a de Polignac number, because 144523223 - 2¹² = 144519127 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 144523192 and 144523201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144523243) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12836 + ... + 21302.

It is an arithmetic number, because the mean of its divisors is an integer number (13171974).

Almost surely, 2^144523223 is an apocalyptic number.

144523223 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

144523223 is a deficient number, since it is larger than the sum of its proper divisors (13540465).

144523223 is a wasteful number, since it uses less digits than its factorization.

144523223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8594 (or 8581 counting only the distinct ones).

The product of its digits is 5760, while the sum is 26.

The square root of 144523223 is about 12021.7811908219. The cubic root of 144523223 is about 524.7823412174.

Adding to 144523223 its reverse (322325441), we get a palindrome (466848664).

The spelling of 144523223 in words is "one hundred forty-four million, five hundred twenty-three thousand, two hundred twenty-three".