123776616 has 32 divisors (see below), whose sum is σ = 322896960. Its totient is φ = 39464832.

The previous prime is 123776591. The next prime is 123776617. The reversal of 123776616 is 616677321.

It is a super-2 number, since 2×123776616² = 30641301336822912, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (123776617) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 111565 + ... + 112668.

It is an arithmetic number, because the mean of its divisors is an integer number (10090530).

Almost surely, 2^123776616 is an apocalyptic number.

It is an amenable number.

123776616 is an abundant number, since it is smaller than the sum of its proper divisors (199120344).

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

123776616 is a wasteful number, since it uses less digits than its factorization.

123776616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224265 (or 224261 counting only the distinct ones).

The product of its digits is 63504, while the sum is 39.

The square root of 123776616 is about 11125.4939665617. The cubic root of 123776616 is about 498.3634707212.

The spelling of 123776616 in words is "one hundred twenty-three million, seven hundred seventy-six thousand, six hundred sixteen".