556423020367 has 2 divisors, whose sum is σ = 556423020368. Its totient is φ = 556423020366.

The previous prime is 556423020343. The next prime is 556423020403. The reversal of 556423020367 is 763020324655.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-556423020367 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (556423021367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278211510183 + 278211510184.

It is an arithmetic number, because the mean of its divisors is an integer number (278211510184).

Almost surely, 2^556423020367 is an apocalyptic number.

556423020367 is a deficient number, since it is larger than the sum of its proper divisors (1).

556423020367 is an equidigital number, since it uses as much as digits as its factorization.

556423020367 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 907200, while the sum is 43.

The spelling of 556423020367 in words is "five hundred fifty-six billion, four hundred twenty-three million, twenty thousand, three hundred sixty-seven".