123103042113510 has 32 divisors (see below), whose sum is σ = 328274778970080. Its totient is φ = 32827477896864.

The previous prime is 123103042113479. The next prime is 123103042113511. The reversal of 123103042113510 is 15311240301321.

123103042113510 is a `hidden beast` number, since 1 + 2 + 3 + 1 + 0 + 30 + 4 + 2 + 113 + 510 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123103042113511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 227968596237 + ... + 227968596776.

It is an arithmetic number, because the mean of its divisors is an integer number (10258586842815).

Almost surely, 2^{123103042113510} is an apocalyptic number.

123103042113510 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123103042113510 is an abundant number, since it is smaller than the sum of its proper divisors (205171736856570).

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

123103042113510 is a wasteful number, since it uses less digits than its factorization.

123103042113510 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455937193029 (or 455937193023 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

Adding to 123103042113510 its reverse (15311240301321), we get a palindrome (138414282414831).

The spelling of 123103042113510 in words is "one hundred twenty-three trillion, one hundred three billion, forty-two million, one hundred thirteen thousand, five hundred ten".