123144152064 has 176 divisors, whose sum is σ = 350856455040. Its totient is φ = 38304808960.

The previous prime is 123144152063. The next prime is 123144152069. The reversal of 123144152064 is 460251441321.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (123144152063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2875642 + ... + 2918150.

Almost surely, 2^123144152064 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123144152064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175428227520).

123144152064 is an abundant number, since it is smaller than the sum of its proper divisors (227712302976).

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

123144152064 is a wasteful number, since it uses less digits than its factorization.

123144152064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42596 (or 42578 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

Adding to 123144152064 its reverse (460251441321), we get a palindrome (583395593385).

The spelling of 123144152064 in words is "one hundred twenty-three billion, one hundred forty-four million, one hundred fifty-two thousand, sixty-four".