123084868187044 has 27 divisors (see below), whose sum is σ = 215799876492067. Its totient is φ = 61427973560768.

The previous prime is 123084868186999. The next prime is 123084868187063. The reversal of 123084868187044 is 440781868480321.

It is a happy number.

The square root of 123084868187044 is 11094362.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 58857466547044 + 64227401640000 = 7671862^2 + 8014200^2 .

It is a super-2 number, since 2×123084868187044² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 12625379082 + ... + 12625388830.

Almost surely, 2^{123084868187044} is an apocalyptic number.

123084868187044 is the 11094362-nd square number.

It is an amenable number.

123084868187044 is a deficient number, since it is larger than the sum of its proper divisors (92715008305023).

123084868187044 is an frugal number, since it uses more digits than its factorization.

123084868187044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20640 (or 10320 counting only the distinct ones).

The product of its (nonzero) digits is 66060288, while the sum is 64.

The spelling of 123084868187044 in words is "one hundred twenty-three trillion, eighty-four billion, eight hundred sixty-eight million, one hundred eighty-seven thousand, forty-four".