123695616 has 80 divisors (see below), whose sum is σ = 359539488. Its totient is φ = 37478400.

The previous prime is 123695599. The next prime is 123695639. The reversal of 123695616 is 616596321.

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 7 ways as a sum of consecutive naturals, for example, 13236 + ... + 20556.

Almost surely, 2^123695616 is an apocalyptic number.

123695616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123695616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (179769744).

123695616 is an abundant number, since it is smaller than the sum of its proper divisors (235843872).

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

123695616 is an equidigital number, since it uses as much as digits as its factorization.

123695616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7353 (or 7337 counting only the distinct ones).

The product of its digits is 58320, while the sum is 39.

The square root of 123695616 is about 11121.8530830073. The cubic root of 123695616 is about 498.2547365322.

The spelling of 123695616 in words is "one hundred twenty-three million, six hundred ninety-five thousand, six hundred sixteen".