478348696723 has 2 divisors, whose sum is σ = 478348696724. Its totient is φ = 478348696722.

The previous prime is 478348696559. The next prime is 478348696741. The reversal of 478348696723 is 327696843874.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-478348696723 is a prime.

It is a super-3 number, since 3×478348696723³ (a number of 36 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (478348696753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239174348361 + 239174348362.

It is an arithmetic number, because the mean of its divisors is an integer number (239174348362).

Almost surely, 2^478348696723 is an apocalyptic number.

478348696723 is a deficient number, since it is larger than the sum of its proper divisors (1).

478348696723 is an equidigital number, since it uses as much as digits as its factorization.

478348696723 is an evil number, because the sum of its binary digits is even.

The product of its digits is 292626432, while the sum is 67.

The spelling of 478348696723 in words is "four hundred seventy-eight billion, three hundred forty-eight million, six hundred ninety-six thousand, seven hundred twenty-three".