123244434140340 has 24 divisors (see below), whose sum is σ = 345084415593120. Its totient is φ = 32865182437408.

The previous prime is 123244434140323. The next prime is 123244434140411. The reversal of 123244434140340 is 43041434442321.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1027036951110 + ... + 1027036951229.

It is an arithmetic number, because the mean of its divisors is an integer number (14378517316380).

Almost surely, 2^{123244434140340} is an apocalyptic number.

123244434140340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123244434140340 is an abundant number, since it is smaller than the sum of its proper divisors (221839981452780).

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

123244434140340 is a wasteful number, since it uses less digits than its factorization.

123244434140340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2054073902351 (or 2054073902349 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 39.

Adding to 123244434140340 its reverse (43041434442321), we get a palindrome (166285868582661).

The spelling of 123244434140340 in words is "one hundred twenty-three trillion, two hundred forty-four billion, four hundred thirty-four million, one hundred forty thousand, three hundred forty".