123098664 has 64 divisors (see below), whose sum is σ = 336147840. Its totient is φ = 37336320.

The previous prime is 123098653. The next prime is 123098719. The reversal of 123098664 is 466890321.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (39).

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 15 ways as a sum of consecutive naturals, for example, 19374 + ... + 24930.

It is an arithmetic number, because the mean of its divisors is an integer number (5252310).

Almost surely, 2^123098664 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 123098664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168073920).

123098664 is an abundant number, since it is smaller than the sum of its proper divisors (213049176).

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

123098664 is a wasteful number, since it uses less digits than its factorization.

123098664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5650 (or 5646 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 123098664 is about 11094.9837313986. The cubic root of 123098664 is about 497.4519219888.

The spelling of 123098664 in words is "one hundred twenty-three million, ninety-eight thousand, six hundred sixty-four".