323278706456 has 8 divisors (see below), whose sum is σ = 606147574620. Its totient is φ = 161639353224.

The previous prime is 323278706423. The next prime is 323278706467. The reversal of 323278706456 is 654607872323.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 323278706398 and 323278706407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20204919146 + ... + 20204919161.

Almost surely, 2^323278706456 is an apocalyptic number.

It is an amenable number.

323278706456 is a deficient number, since it is larger than the sum of its proper divisors (282868868164).

323278706456 is a wasteful number, since it uses less digits than its factorization.

323278706456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40409838313 (or 40409838309 counting only the distinct ones).

The product of its (nonzero) digits is 10160640, while the sum is 53.

The spelling of 323278706456 in words is "three hundred twenty-three billion, two hundred seventy-eight million, seven hundred six thousand, four hundred fifty-six".