123330020240 has 80 divisors (see below), whose sum is σ = 327874514688. Its totient is φ = 42262768128.

The previous prime is 123330020237. The next prime is 123330020273. The reversal of 123330020240 is 42020033321.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

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, 1049069 + ... + 1160691.

Almost surely, 2^123330020240 is an apocalyptic number.

123330020240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123330020240 is an abundant number, since it is smaller than the sum of its proper divisors (204544494448).

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

123330020240 is a wasteful number, since it uses less digits than its factorization.

123330020240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113616 (or 113610 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 123330020240 its reverse (42020033321), we get a palindrome (165350053561).

The spelling of 123330020240 in words is "one hundred twenty-three billion, three hundred thirty million, twenty thousand, two hundred forty".