123889416 has 64 divisors (see below), whose sum is σ = 355152000. Its totient is φ = 35278848.

The previous prime is 123889399. The next prime is 123889417. The reversal of 123889416 is 614988321.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (123889417) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57576 + ... + 59688.

It is an arithmetic number, because the mean of its divisors is an integer number (5549250).

Almost surely, 2^123889416 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 123889416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177576000).

123889416 is an abundant number, since it is smaller than the sum of its proper divisors (231262584).

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

123889416 is a wasteful number, since it uses less digits than its factorization.

123889416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2478 (or 2474 counting only the distinct ones).

The product of its digits is 82944, while the sum is 42.

The square root of 123889416 is about 11130.5622499495. The cubic root of 123889416 is about 498.5148141473.

The spelling of 123889416 in words is "one hundred twenty-three million, eight hundred eighty-nine thousand, four hundred sixteen".