393123084647 has 2 divisors, whose sum is σ = 393123084648. Its totient is φ = 393123084646.

The previous prime is 393123084619. The next prime is 393123084671. The reversal of 393123084647 is 746480321393.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 393123084647 - 2¹⁴ = 393123068263 is a prime.

It is a super-2 number, since 2×393123084647² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 393123084595 and 393123084604.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (393123054647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 196561542323 + 196561542324.

It is an arithmetic number, because the mean of its divisors is an integer number (196561542324).

Almost surely, 2^393123084647 is an apocalyptic number.

393123084647 is a deficient number, since it is larger than the sum of its proper divisors (1).

393123084647 is an equidigital number, since it uses as much as digits as its factorization.

393123084647 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2612736, while the sum is 50.

The spelling of 393123084647 in words is "three hundred ninety-three billion, one hundred twenty-three million, eighty-four thousand, six hundred forty-seven".