144512323 has 4 divisors (see below), whose sum is σ = 145552120. Its totient is φ = 143472528.

The previous prime is 144512311. The next prime is 144512327. The reversal of 144512323 is 323215441.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144512323 is a prime.

It is a super-2 number, since 2×144512323² = 41767622997712658, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144512327) 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, 519690 + ... + 519967.

It is an arithmetic number, because the mean of its divisors is an integer number (36388030).

Almost surely, 2^144512323 is an apocalyptic number.

144512323 is a deficient number, since it is larger than the sum of its proper divisors (1039797).

144512323 is a wasteful number, since it uses less digits than its factorization.

144512323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1039796.

The product of its digits is 2880, while the sum is 25.

The square root of 144512323 is about 12021.3278384711. The cubic root of 144512323 is about 524.7691477868.

Adding to 144512323 its reverse (323215441), we get a palindrome (467727764).

The spelling of 144512323 in words is "one hundred forty-four million, five hundred twelve thousand, three hundred twenty-three".