123031245301140 has 384 divisors, whose sum is σ = 399789437644800. Its totient is φ = 27955757629440.

The previous prime is 123031245301123. The next prime is 123031245301141. The reversal of 123031245301140 is 41103542130321.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 123031245301098 and 123031245301107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123031245301141) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 4277994081 + ... + 4278022839.

It is an arithmetic number, because the mean of its divisors is an integer number (1041118327200).

Almost surely, 2^{123031245301140} is an apocalyptic number.

123031245301140 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 123031245301140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (199894718822400).

123031245301140 is an abundant number, since it is smaller than the sum of its proper divisors (276758192343660).

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

123031245301140 is a wasteful number, since it uses less digits than its factorization.

123031245301140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32415 (or 32413 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

Adding to 123031245301140 its reverse (41103542130321), we get a palindrome (164134787431461).

The spelling of 123031245301140 in words is "one hundred twenty-three trillion, thirty-one billion, two hundred forty-five million, three hundred one thousand, one hundred forty".