75323023322432 has 56 divisors (see below), whose sum is σ = 154637243353800. Its totient is φ = 36359543822336.

The previous prime is 75323023322269. The next prime is 75323023322501. The reversal of 75323023322432 is 23422332032357.

It can be written as a sum of positive squares in 4 ways, for example, as 12951822090496 + 62371201231936 = 3598864^2 + 7897544^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 75323023322432.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18710858 + ... + 22377270.

Almost surely, 2^{75323023322432} is an apocalyptic number.

It is an amenable number.

75323023322432 is an abundant number, since it is smaller than the sum of its proper divisors (79314220031368).

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

75323023322432 is a wasteful number, since it uses less digits than its factorization.

75323023322432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3677523 (or 3677513 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 41.

Adding to 75323023322432 its reverse (23422332032357), we get a palindrome (98745355354789).

The spelling of 75323023322432 in words is "seventy-five trillion, three hundred twenty-three billion, twenty-three million, three hundred twenty-two thousand, four hundred thirty-two".