123211130103 has 20 divisors (see below), whose sum is σ = 184131038520. Its totient is φ = 82107324432.

The previous prime is 123211130087. The next prime is 123211130113. The reversal of 123211130103 is 301031112321.

It is not a de Polignac number, because 123211130103 - 2⁴ = 123211130087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123211130113) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 108468 + ... + 508121.

It is an arithmetic number, because the mean of its divisors is an integer number (9206551926).

Almost surely, 2^123211130103 is an apocalyptic number.

123211130103 is a deficient number, since it is larger than the sum of its proper divisors (60919908417).

123211130103 is an equidigital number, since it uses as much as digits as its factorization.

123211130103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 619068 (or 619059 counting only the distinct ones).

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

Adding to 123211130103 its reverse (301031112321), we get a palindrome (424242242424).

The spelling of 123211130103 in words is "one hundred twenty-three billion, two hundred eleven million, one hundred thirty thousand, one hundred three".