123004040201 has 4 divisors (see below), whose sum is σ = 140576045952. Its totient is φ = 105432034452.

The previous prime is 123004040189. The next prime is 123004040303. The reversal of 123004040201 is 102040400321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 102040400321 = 19553 ⋅5218657.

It is a cyclic number.

It is not a de Polignac number, because 123004040201 - 2²² = 122999845897 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 123004040201.

It is not an unprimeable number, because it can be changed into a prime (123004040501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8786002865 + ... + 8786002878.

It is an arithmetic number, because the mean of its divisors is an integer number (35144011488).

Almost surely, 2^123004040201 is an apocalyptic number.

It is an amenable number.

123004040201 is a deficient number, since it is larger than the sum of its proper divisors (17572005751).

123004040201 is an equidigital number, since it uses as much as digits as its factorization.

123004040201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17572005750.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 123004040201 its reverse (102040400321), we get a palindrome (225044440522).

The spelling of 123004040201 in words is "one hundred twenty-three billion, four million, forty thousand, two hundred one".