123011333131230 has 24 divisors (see below), whose sum is σ = 319829466141432. Its totient is φ = 32803022168304.

The previous prime is 123011333131229. The next prime is 123011333131237. The reversal of 123011333131230 is 32131333110321.

123011333131230 is a `hidden beast` number, since 1 + 2 + 3 + 0 + 1 + 13 + 331 + 312 + 3 + 0 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 123011333131194 and 123011333131203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123011333131237) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 683396295084 + ... + 683396295263.

It is an arithmetic number, because the mean of its divisors is an integer number (13326227755893).

Almost surely, 2^{123011333131230} is an apocalyptic number.

123011333131230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123011333131230 is an abundant number, since it is smaller than the sum of its proper divisors (196818133010202).

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

123011333131230 is a wasteful number, since it uses less digits than its factorization.

123011333131230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1366792590360 (or 1366792590357 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 27.

Adding to 123011333131230 its reverse (32131333110321), we get a palindrome (155142666241551).

The spelling of 123011333131230 in words is "one hundred twenty-three trillion, eleven billion, three hundred thirty-three million, one hundred thirty-one thousand, two hundred thirty".