123416775321 has 32 divisors (see below), whose sum is σ = 200137132800. Its totient is φ = 66038439936.

The previous prime is 123416775289. The next prime is 123416775347. The reversal of 123416775321 is 123577614321.

It is not a de Polignac number, because 123416775321 - 2⁵ = 123416775289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123416775121) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 807096 + ... + 947753.

It is an arithmetic number, because the mean of its divisors is an integer number (6254285400).

Almost surely, 2^123416775321 is an apocalyptic number.

It is an amenable number.

123416775321 is a deficient number, since it is larger than the sum of its proper divisors (76720357479).

123416775321 is a wasteful number, since it uses less digits than its factorization.

123416775321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1755073.

The product of its digits is 211680, while the sum is 42.

The spelling of 123416775321 in words is "one hundred twenty-three billion, four hundred sixteen million, seven hundred seventy-five thousand, three hundred twenty-one".