123890648 has 16 divisors (see below), whose sum is σ = 265480080. Its totient is φ = 53095968.

The previous prime is 123890609. The next prime is 123890651. The reversal of 123890648 is 846098321.

It is a super-3 number, since 3×123890648³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

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, 1106111 + ... + 1106222.

It is an arithmetic number, because the mean of its divisors is an integer number (16592505).

Almost surely, 2^123890648 is an apocalyptic number.

It is an amenable number.

123890648 is an abundant number, since it is smaller than the sum of its proper divisors (141589432).

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

123890648 is a wasteful number, since it uses less digits than its factorization.

123890648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2212346 (or 2212342 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 41.

The square root of 123890648 is about 11130.6175929281. The cubic root of 123890648 is about 498.5164666108.

The spelling of 123890648 in words is "one hundred twenty-three million, eight hundred ninety thousand, six hundred forty-eight".