123416545042 has 16 divisors (see below), whose sum is σ = 211577780160. Its totient is φ = 52891165008.

The previous prime is 123416545009. The next prime is 123416545069. The reversal of 123416545042 is 240545614321.

It is a junction number, because it is equal to n+sod(n) for n = 123416544992 and 123416545010.

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 7 ways as a sum of consecutive naturals, for example, 405009 + ... + 640987.

It is an arithmetic number, because the mean of its divisors is an integer number (13223611260).

Almost surely, 2^123416545042 is an apocalyptic number.

123416545042 is a deficient number, since it is larger than the sum of its proper divisors (88161235118).

123416545042 is a wasteful number, since it uses less digits than its factorization.

123416545042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273345.

The product of its (nonzero) digits is 115200, while the sum is 37.

The spelling of 123416545042 in words is "one hundred twenty-three billion, four hundred sixteen million, five hundred forty-five thousand, forty-two".