123103202124440 has 64 divisors (see below), whose sum is σ = 278046216518400. Its totient is φ = 49052137825152.

The previous prime is 123103202124431. The next prime is 123103202124449. The reversal of 123103202124440 is 44421202301321.

It is an interprime number because it is at equal distance from previous prime (123103202124431) and next prime (123103202124449).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123103202124449) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 286550039 + ... + 286979321.

It is an arithmetic number, because the mean of its divisors is an integer number (4344472133100).

Almost surely, 2^{123103202124440} is an apocalyptic number.

123103202124440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123103202124440 is an abundant number, since it is smaller than the sum of its proper divisors (154943014393960).

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

123103202124440 is a wasteful number, since it uses less digits than its factorization.

123103202124440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456816 (or 456812 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 123103202124440 its reverse (44421202301321), we get a palindrome (167524404425761).

The spelling of 123103202124440 in words is "one hundred twenty-three trillion, one hundred three billion, two hundred two million, one hundred twenty-four thousand, four hundred forty".