123103203201 has 24 divisors (see below), whose sum is σ = 200238255360. Its totient is φ = 72201290400.

The previous prime is 123103203169. The next prime is 123103203203. The reversal of 123103203201 is 102302301321.

123103203201 is a `hidden beast` number, since 1 + 2 + 310 + 32 + 0 + 320 + 1 = 666.

It is not a de Polignac number, because 123103203201 - 2⁵ = 123103203169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123103203203) 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, 20052846 + ... + 20058983.

It is an arithmetic number, because the mean of its divisors is an integer number (8343260640).

Almost surely, 2^123103203201 is an apocalyptic number.

123103203201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

123103203201 is a deficient number, since it is larger than the sum of its proper divisors (77135052159).

123103203201 is a wasteful number, since it uses less digits than its factorization.

123103203201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40111877 (or 40111874 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 123103203201 its reverse (102302301321), we get a palindrome (225405504522).

The spelling of 123103203201 in words is "one hundred twenty-three billion, one hundred three million, two hundred three thousand, two hundred one".