123380857416 has 32 divisors (see below), whose sum is σ = 316788690240. Its totient is φ = 40015412928.

The previous prime is 123380857409. The next prime is 123380857417. The reversal of 123380857416 is 614758083321.

It is not an unprimeable number, because it can be changed into a prime (123380857417) by changing a digit.

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, 69470316 + ... + 69472091.

It is an arithmetic number, because the mean of its divisors is an integer number (9899646570).

Almost surely, 2^123380857416 is an apocalyptic number.

It is an amenable number.

123380857416 is an abundant number, since it is smaller than the sum of its proper divisors (193407832824).

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

123380857416 is a wasteful number, since it uses less digits than its factorization.

123380857416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138942453 (or 138942449 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 48.

The spelling of 123380857416 in words is "one hundred twenty-three billion, three hundred eighty million, eight hundred fifty-seven thousand, four hundred sixteen".