123056405622 has 24 divisors (see below), whose sum is σ = 271652822064. Its totient is φ = 40244861904.

The previous prime is 123056405621. The next prime is 123056405629. The reversal of 123056405622 is 226504650321.

123056405622 is a `hidden beast` number, since 1 + 2 + 3 + 0 + 5 + 640 + 5 + 6 + 2 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123056405621) 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 11 ways as a sum of consecutive naturals, for example, 64494018 + ... + 64495925.

It is an arithmetic number, because the mean of its divisors is an integer number (11318867586).

Almost surely, 2^123056405622 is an apocalyptic number.

123056405622 is an abundant number, since it is smaller than the sum of its proper divisors (148596416442).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123056405622 is a wasteful number, since it uses less digits than its factorization.

123056405622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128990004 (or 128990001 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The spelling of 123056405622 in words is "one hundred twenty-three billion, fifty-six million, four hundred five thousand, six hundred twenty-two".