123166442034 has 24 divisors (see below), whose sum is σ = 267257174652. Its totient is φ = 40994472960.

The previous prime is 123166441999. The next prime is 123166442057. The reversal of 123166442034 is 430244661321.

123166442034 is a `hidden beast` number, since 1 + 2 + 3 + 1 + 6 + 644 + 2 + 0 + 3 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 98122430025 + 25044012009 = 313245^2 + 158253^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 123166442034.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5071527 + ... + 5095754.

Almost surely, 2^123166442034 is an apocalyptic number.

123166442034 is an abundant number, since it is smaller than the sum of its proper divisors (144090732618).

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

123166442034 is a wasteful number, since it uses less digits than its factorization.

123166442034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10167962 (or 10167959 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 36.

The spelling of 123166442034 in words is "one hundred twenty-three billion, one hundred sixty-six million, four hundred forty-two thousand, thirty-four".