123350434240 has 224 divisors, whose sum is σ = 332148484800. Its totient is φ = 43237048320.

The previous prime is 123350434201. The next prime is 123350434267. The reversal of 123350434240 is 42434053321.

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 (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14191816 + ... + 14200504.

Almost surely, 2^123350434240 is an apocalyptic number.

123350434240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123350434240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166074242400).

123350434240 is an abundant number, since it is smaller than the sum of its proper divisors (208798050560).

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

123350434240 is a wasteful number, since it uses less digits than its factorization.

123350434240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8863 (or 8853 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 31.

Adding to 123350434240 its reverse (42434053321), we get a palindrome (165784487561).

The spelling of 123350434240 in words is "one hundred twenty-three billion, three hundred fifty million, four hundred thirty-four thousand, two hundred forty".