123542916 has 72 divisors (see below), whose sum is σ = 337649760. Its totient is φ = 35054208.

The previous prime is 123542869. The next prime is 123542917. The reversal of 123542916 is 619245321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123542917) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 95200 + ... + 96488.

It is an arithmetic number, because the mean of its divisors is an integer number (4689580).

Almost surely, 2^123542916 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123542916, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168824880).

123542916 is an abundant number, since it is smaller than the sum of its proper divisors (214106844).

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

123542916 is a wasteful number, since it uses less digits than its factorization.

123542916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1473 (or 1464 counting only the distinct ones).

The product of its digits is 12960, while the sum is 33.

The square root of 123542916 is about 11114.9860998564. The cubic root of 123542916 is about 498.0496232869.

The spelling of 123542916 in words is "one hundred twenty-three million, five hundred forty-two thousand, nine hundred sixteen".