123144323 has 12 divisors (see below), whose sum is σ = 129786888. Its totient is φ = 116825280.

The previous prime is 123144319. The next prime is 123144383. The reversal of 123144323 is 323441321.

It is not a de Polignac number, because 123144323 - 2² = 123144319 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123144383) 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, 68411 + ... + 70187.

It is an arithmetic number, because the mean of its divisors is an integer number (10815574).

Almost surely, 2^123144323 is an apocalyptic number.

123144323 is a deficient number, since it is larger than the sum of its proper divisors (6642565).

123144323 is a wasteful number, since it uses less digits than its factorization.

123144323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1954 (or 1931 counting only the distinct ones).

The product of its digits is 1728, while the sum is 23.

The square root of 123144323 is about 11097.0411822251. The cubic root of 123144323 is about 497.5134183228.

Adding to 123144323 its reverse (323441321), we get a palindrome (446585644).

It can be divided in two parts, 1231 and 44323, that added together give a palindrome (45554).

The spelling of 123144323 in words is "one hundred twenty-three million, one hundred forty-four thousand, three hundred twenty-three".