123641771230 has 16 divisors (see below), whose sum is σ = 222570115920. Its totient is φ = 49453391232.

The previous prime is 123641771203. The next prime is 123641771233. The reversal of 123641771230 is 32177146321.

It is a self number, because there is not a number n which added to its sum of digits gives 123641771230.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123641771233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 255195 + ... + 558934.

It is an arithmetic number, because the mean of its divisors is an integer number (13910632245).

Almost surely, 2^123641771230 is an apocalyptic number.

123641771230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123641771230 is a deficient number, since it is larger than the sum of its proper divisors (98928344690).

123641771230 is a wasteful number, since it uses less digits than its factorization.

123641771230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 829323.

The product of its (nonzero) digits is 42336, while the sum is 37.

The spelling of 123641771230 in words is "one hundred twenty-three billion, six hundred forty-one million, seven hundred seventy-one thousand, two hundred thirty".