123219968 has 52 divisors (see below), whose sum is σ = 250644600. Its totient is φ = 60555264.

The previous prime is 123219937. The next prime is 123219977. The reversal of 123219968 is 869912321.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 274208 + ... + 274656.

Almost surely, 2^123219968 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 123219968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125322300).

123219968 is an abundant number, since it is smaller than the sum of its proper divisors (127424632).

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

123219968 is an frugal number, since it uses more digits than its factorization.

123219968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540 (or 518 counting only the distinct ones).

The product of its digits is 46656, while the sum is 41.

The square root of 123219968 is about 11100.4489999279. The cubic root of 123219968 is about 497.6152681909.

The spelling of 123219968 in words is "one hundred twenty-three million, two hundred nineteen thousand, nine hundred sixty-eight".