6423630620055 has 64 divisors (see below), whose sum is σ = 11371705344000. Its totient is φ = 3070180713600.

The previous prime is 6423630620047. The next prime is 6423630620059. The reversal of 6423630620055 is 5500260363246.

It is not a de Polignac number, because 6423630620055 - 2³ = 6423630620047 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6423630619989 and 6423630620016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6423630620059) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 90439446 + ... + 90510444.

It is an arithmetic number, because the mean of its divisors is an integer number (177682896000).

Almost surely, 2^{6423630620055} is an apocalyptic number.

6423630620055 is a deficient number, since it is larger than the sum of its proper divisors (4948074723945).

6423630620055 is a wasteful number, since it uses less digits than its factorization.

6423630620055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78812.

The product of its (nonzero) digits is 777600, while the sum is 42.

The spelling of 6423630620055 in words is "six trillion, four hundred twenty-three billion, six hundred thirty million, six hundred twenty thousand, fifty-five".