123783545504 has 24 divisors (see below), whose sum is σ = 243711205920. Its totient is φ = 61888636096.

The previous prime is 123783545497. The next prime is 123783545521. The reversal of 123783545504 is 405545387321.

It is a super-2 number, since 2×123783545504² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 625397 + ... + 799179.

It is an arithmetic number, because the mean of its divisors is an integer number (10154633580).

Almost surely, 2^123783545504 is an apocalyptic number.

It is an amenable number.

123783545504 is a deficient number, since it is larger than the sum of its proper divisors (119927660416).

123783545504 is a wasteful number, since it uses less digits than its factorization.

123783545504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196052 (or 196044 counting only the distinct ones).

The product of its (nonzero) digits is 2016000, while the sum is 47.

The spelling of 123783545504 in words is "one hundred twenty-three billion, seven hundred eighty-three million, five hundred forty-five thousand, five hundred four".