123420003300 has 432 divisors, whose sum is σ = 441581736960. Its totient is φ = 28540512000.

The previous prime is 123420003283. The next prime is 123420003319. The reversal of 123420003300 is 3300024321.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 143678271 + ... + 143679129.

Almost surely, 2^123420003300 is an apocalyptic number.

123420003300 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 123420003300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (220790868480).

123420003300 is an abundant number, since it is smaller than the sum of its proper divisors (318161733660).

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

123420003300 is a wasteful number, since it uses less digits than its factorization.

123420003300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1544 (or 1534 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 123420003300 its reverse (3300024321), we get a palindrome (126720027621).

The spelling of 123420003300 in words is "one hundred twenty-three billion, four hundred twenty million, three thousand, three hundred".