1203122123303 has 4 divisors (see below), whose sum is σ = 1228720466400. Its totient is φ = 1177523780208.

The previous prime is 1203122123267. The next prime is 1203122123311. The reversal of 1203122123303 is 3033212213021.

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 1203122123303 - 2¹² = 1203122119207 is a prime.

It is a super-2 number, since 2×1203122123303² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1203122123363) 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, 12799171478 + ... + 12799171571.

It is an arithmetic number, because the mean of its divisors is an integer number (307180116600).

Almost surely, 2^{1203122123303} is an apocalyptic number.

1203122123303 is a deficient number, since it is larger than the sum of its proper divisors (25598343097).

1203122123303 is an equidigital number, since it uses as much as digits as its factorization.

1203122123303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25598343096.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 1203122123303 its reverse (3033212213021), we get a palindrome (4236334336324).

The spelling of 1203122123303 in words is "one trillion, two hundred three billion, one hundred twenty-two million, one hundred twenty-three thousand, three hundred three".