123103132100203 has 4 divisors (see below), whose sum is σ = 124072448101120. Its totient is φ = 122133816099288.

The previous prime is 123103132100189. The next prime is 123103132100233. The reversal of 123103132100203 is 302001231301321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 123103132100203 - 2³⁷ = 122965693146731 is a prime.

It is a super-2 number, since 2×123103132100203² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123103132100233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 484658000268 + ... + 484658000521.

It is an arithmetic number, because the mean of its divisors is an integer number (31018112025280).

Almost surely, 2^{123103132100203} is an apocalyptic number.

123103132100203 is a deficient number, since it is larger than the sum of its proper divisors (969316000917).

123103132100203 is an equidigital number, since it uses as much as digits as its factorization.

123103132100203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 969316000916.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 123103132100203 its reverse (302001231301321), we get a palindrome (425104363401524).

The spelling of 123103132100203 in words is "one hundred twenty-three trillion, one hundred three billion, one hundred thirty-two million, one hundred thousand, two hundred three".