123923824 has 20 divisors (see below), whose sum is σ = 243144160. Its totient is φ = 61176960.

The previous prime is 123923797. The next prime is 123923831. The reversal of 123923824 is 428329321.

It is a happy number.

It is a super-2 number, since 2×123923824² = 30714228309565952, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 123923824.

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, 47757 + ... + 50284.

It is an arithmetic number, because the mean of its divisors is an integer number (12157208).

Almost surely, 2^123923824 is an apocalyptic number.

It is an amenable number.

123923824 is a deficient number, since it is larger than the sum of its proper divisors (119220336).

123923824 is an equidigital number, since it uses as much as digits as its factorization.

123923824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98128 (or 98122 counting only the distinct ones).

The product of its digits is 20736, while the sum is 34.

The square root of 123923824 is about 11132.1077968191. The cubic root of 123923824 is about 498.5609609734.

The spelling of 123923824 in words is "one hundred twenty-three million, nine hundred twenty-three thousand, eight hundred twenty-four".