123300000 has 216 divisors, whose sum is σ = 441463932. Its totient is φ = 32640000.

The previous prime is 123299983. The next prime is 123300007. The reversal of 123300000 is 3321.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 11532816 + 111767184 = 3396^2 + 10572^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (123300007) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 899932 + ... + 900068.

Almost surely, 2^123300000 is an apocalyptic number.

123300000 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 123300000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (220731966).

123300000 is an abundant number, since it is smaller than the sum of its proper divisors (318163932).

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

123300000 is an equidigital number, since it uses as much as digits as its factorization.

123300000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178 (or 147 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 9.

The square root of 123300000 is about 11104.0533139930. The cubic root of 123300000 is about 497.7229794292.

Adding to 123300000 its reverse (3321), we get a palindrome (123303321).

The spelling of 123300000 in words is "one hundred twenty-three million, three hundred thousand".