123133022302240 has 24 divisors (see below), whose sum is σ = 290901765189420. Its totient is φ = 49253208920832.

The previous prime is 123133022302211. The next prime is 123133022302261. The reversal of 123133022302240 is 42203220331321.

It can be written as a sum of positive squares in 2 ways, for example, as 112816772082576 + 10316250219664 = 10621524^2 + 3211892^2 .

It is a junction number, because it is equal to n+sod(n) for n = 123133022302199 and 123133022302208.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 384790694535 + ... + 384790694854.

Almost surely, 2^{123133022302240} is an apocalyptic number.

123133022302240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123133022302240 is an abundant number, since it is smaller than the sum of its proper divisors (167768742887180).

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

123133022302240 is an equidigital number, since it uses as much as digits as its factorization.

123133022302240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 769581389404 (or 769581389396 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 123133022302240 its reverse (42203220331321), we get a palindrome (165336242633561).

The spelling of 123133022302240 in words is "one hundred twenty-three trillion, one hundred thirty-three billion, twenty-two million, three hundred two thousand, two hundred forty".