123200040003 has 4 divisors (see below), whose sum is σ = 164266720008. Its totient is φ = 82133360000.

The previous prime is 123200039993. The next prime is 123200040079. The reversal of 123200040003 is 300040002321.

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 123200040003 - 2⁶ = 123200039939 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123200040203) 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, 20533339998 + ... + 20533340003.

It is an arithmetic number, because the mean of its divisors is an integer number (41066680002).

Almost surely, 2^123200040003 is an apocalyptic number.

123200040003 is a deficient number, since it is larger than the sum of its proper divisors (41066680005).

123200040003 is an equidigital number, since it uses as much as digits as its factorization.

123200040003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41066680004.

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 123200040003 its reverse (300040002321), we get a palindrome (423240042324).

The spelling of 123200040003 in words is "one hundred twenty-three billion, two hundred million, forty thousand, three".