123103021113 has 24 divisors (see below), whose sum is σ = 179053056000. Its totient is φ = 81498441024.

The previous prime is 123103021079. The next prime is 123103021183. The reversal of 123103021113 is 311120301321.

It is not a de Polignac number, because 123103021113 - 2¹⁴ = 123103004729 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (123103021183) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1537608 + ... + 1615686.

It is an arithmetic number, because the mean of its divisors is an integer number (7460544000).

Almost surely, 2^123103021113 is an apocalyptic number.

It is an amenable number.

123103021113 is a deficient number, since it is larger than the sum of its proper divisors (55950034887).

123103021113 is a wasteful number, since it uses less digits than its factorization.

123103021113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79301 (or 79298 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 123103021113 its reverse (311120301321), we get a palindrome (434223322434).

The spelling of 123103021113 in words is "one hundred twenty-three billion, one hundred three million, twenty-one thousand, one hundred thirteen".