123102100203 has 8 divisors (see below), whose sum is σ = 169796000400. Its totient is φ = 79238133408.

The previous prime is 123102100189. The next prime is 123102100307. The reversal of 123102100203 is 302001201321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 123102100203 - 2⁵ = 123102100171 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123102100003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 707483248 + ... + 707483421.

It is an arithmetic number, because the mean of its divisors is an integer number (21224500050).

Almost surely, 2^123102100203 is an apocalyptic number.

123102100203 is a deficient number, since it is larger than the sum of its proper divisors (46693900197).

123102100203 is a wasteful number, since it uses less digits than its factorization.

123102100203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1414966701.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 123102100203 its reverse (302001201321), we get a palindrome (425103301524).

The spelling of 123102100203 in words is "one hundred twenty-three billion, one hundred two million, one hundred thousand, two hundred three".