123630220005 has 16 divisors (see below), whose sum is σ = 199252211904. Its totient is φ = 65454830720.

The previous prime is 123630219991. The next prime is 123630220123. The reversal of 123630220005 is 500022036321.

It is not a de Polignac number, because 123630220005 - 2⁷ = 123630219877 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30078291 + ... + 30082400.

It is an arithmetic number, because the mean of its divisors is an integer number (12453263244).

Almost surely, 2^123630220005 is an apocalyptic number.

123630220005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

123630220005 is a deficient number, since it is larger than the sum of its proper divisors (75621991899).

123630220005 is a wasteful number, since it uses less digits than its factorization.

123630220005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60160836.

The product of its (nonzero) digits is 2160, while the sum is 24.

Adding to 123630220005 its reverse (500022036321), we get a palindrome (623652256326).

The spelling of 123630220005 in words is "one hundred twenty-three billion, six hundred thirty million, two hundred twenty thousand, five".