123623868 has 48 divisors (see below), whose sum is σ = 300696480. Its totient is φ = 39481344.

The previous prime is 123623867. The next prime is 123623869. The reversal of 123623868 is 868326321.

It is an interprime number because it is at equal distance from previous prime (123623867) and next prime (123623869).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123623867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46380 + ... + 48972.

It is an arithmetic number, because the mean of its divisors is an integer number (6264510).

Almost surely, 2^123623868 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 123623868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (150348240).

123623868 is an abundant number, since it is smaller than the sum of its proper divisors (177072612).

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

123623868 is a wasteful number, since it uses less digits than its factorization.

123623868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2766 (or 2764 counting only the distinct ones).

The product of its digits is 82944, while the sum is 39.

The square root of 123623868 is about 11118.6270735195. The cubic root of 123623868 is about 498.1583825516.

The spelling of 123623868 in words is "one hundred twenty-three million, six hundred twenty-three thousand, eight hundred sixty-eight".