123849600 has 384 divisors, whose sum is σ = 495801600. Its totient is φ = 26542080.

The previous prime is 123849577. The next prime is 123849601. The reversal of 123849600 is 6948321.

It is a tau number, because it is divible by the number of its divisors (384).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123849601) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1276752 + ... + 1276848.

It is an arithmetic number, because the mean of its divisors is an integer number (1291150).

Almost surely, 2^123849600 is an apocalyptic number.

123849600 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123849600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (247900800).

123849600 is an abundant number, since it is smaller than the sum of its proper divisors (371952000).

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

123849600 is a wasteful number, since it uses less digits than its factorization.

123849600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150 (or 133 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 123849600 is about 11128.7735173289. The cubic root of 123849600 is about 498.4614036321.

The spelling of 123849600 in words is "one hundred twenty-three million, eight hundred forty-nine thousand, six hundred".