123465411776 has 56 divisors (see below), whose sum is σ = 280056884640. Its totient is φ = 52903360512.

The previous prime is 123465411767. The next prime is 123465411791. The reversal of 123465411776 is 677114564321.

It is a tau number, because it is divible by the number of its divisors (56).

It is a self number, because there is not a number n which added to its sum of digits gives 123465411776.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2526260 + ... + 2574668.

Almost surely, 2^123465411776 is an apocalyptic number.

123465411776 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

123465411776 is an abundant number, since it is smaller than the sum of its proper divisors (156591472864).

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

123465411776 is an equidigital number, since it uses as much as digits as its factorization.

123465411776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54121 (or 54111 counting only the distinct ones).

The product of its digits is 846720, while the sum is 47.

The spelling of 123465411776 in words is "one hundred twenty-three billion, four hundred sixty-five million, four hundred eleven thousand, seven hundred seventy-six".