135423431323024 has 80 divisors (see below), whose sum is σ = 299191167758448. Its totient is φ = 58825793765376.

The previous prime is 135423431323001. The next prime is 135423431323087. The reversal of 135423431323024 is 420323134324531.

It can be written as a sum of positive squares in 8 ways, for example, as 21165888409600 + 114257542913424 = 4600640^2 + 10689132^2 .

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 15 ways as a sum of consecutive naturals, for example, 424715784 + ... + 425034520.

Almost surely, 2^{135423431323024} is an apocalyptic number.

It is an amenable number.

135423431323024 is an abundant number, since it is smaller than the sum of its proper divisors (163767736435424).

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

135423431323024 is a wasteful number, since it uses less digits than its factorization.

135423431323024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438932 (or 438926 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 40.

Adding to 135423431323024 its reverse (420323134324531), we get a palindrome (555746565647555).

The spelling of 135423431323024 in words is "one hundred thirty-five trillion, four hundred twenty-three billion, four hundred thirty-one million, three hundred twenty-three thousand, twenty-four".