75423244232456 has 16 divisors (see below), whose sum is σ = 143355823799100. Its totient is φ = 37195024552704.

The previous prime is 75423244232407. The next prime is 75423244232461. The reversal of 75423244232456 is 65423244232457.

75423244232456 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 71938115309956 + 3485128922500 = 8481634^2 + 1866850^2 .

It is a junction number, because it is equal to n+sod(n) for n = 75423244232398 and 75423244232407.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64574694821 + ... + 64574695988.

Almost surely, 2^{75423244232456} is an apocalyptic number.

It is an amenable number.

75423244232456 is a deficient number, since it is larger than the sum of its proper divisors (67932579566644).

75423244232456 is a wasteful number, since it uses less digits than its factorization.

75423244232456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129149390888 (or 129149390884 counting only the distinct ones).

The product of its digits is 38707200, while the sum is 53.

Subtracting from 75423244232456 its reverse (65423244232457), we obtain a palindrome (9999999999999).

The spelling of 75423244232456 in words is "seventy-five trillion, four hundred twenty-three billion, two hundred forty-four million, two hundred thirty-two thousand, four hundred fifty-six".