123133046240 has 48 divisors (see below), whose sum is σ = 291255598368. Its totient is φ = 49193319936.

The previous prime is 123133046237. The next prime is 123133046251. The reversal of 123133046240 is 42640331321.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 335867 + ... + 599226.

It is an arithmetic number, because the mean of its divisors is an integer number (6067824966).

Almost surely, 2^123133046240 is an apocalyptic number.

123133046240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123133046240 is an abundant number, since it is smaller than the sum of its proper divisors (168122552128).

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

123133046240 is an equidigital number, since it uses as much as digits as its factorization.

123133046240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 935931 (or 935923 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 123133046240 its reverse (42640331321), we get a palindrome (165773377561).

The spelling of 123133046240 in words is "one hundred twenty-three billion, one hundred thirty-three million, forty-six thousand, two hundred forty".