123144013002 has 16 divisors (see below), whose sum is σ = 246315845952. Its totient is φ = 41043367680.

The previous prime is 123144012997. The next prime is 123144013009. The reversal of 123144013002 is 200310441321.

It is a self number, because there is not a number n which added to its sum of digits gives 123144013002.

It is not an unprimeable number, because it can be changed into a prime (123144013009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1101399 + ... + 1208042.

It is an arithmetic number, because the mean of its divisors is an integer number (15394740372).

Almost surely, 2^123144013002 is an apocalyptic number.

123144013002 is an abundant number, since it is smaller than the sum of its proper divisors (123171832950).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123144013002 is a wasteful number, since it uses less digits than its factorization.

123144013002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2318333.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 123144013002 its reverse (200310441321), we get a palindrome (323454454323).

The spelling of 123144013002 in words is "one hundred twenty-three billion, one hundred forty-four million, thirteen thousand, two".