220203311123 has 8 divisors (see below), whose sum is σ = 223142428800. Its totient is φ = 217274525248.

The previous prime is 220203311101. The next prime is 220203311179. The reversal of 220203311123 is 321113302022.

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

It is a cyclic number.

It is not a de Polignac number, because 220203311123 - 2⁸ = 220203310867 is a prime.

It is a super-2 number, since 2×220203311123² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220203311095 and 220203311104.

It is not an unprimeable number, because it can be changed into a prime (220203311323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2540036 + ... + 2625297.

It is an arithmetic number, because the mean of its divisors is an integer number (27892803600).

Almost surely, 2^220203311123 is an apocalyptic number.

220203311123 is a deficient number, since it is larger than the sum of its proper divisors (2939117677).

220203311123 is an equidigital number, since it uses as much as digits as its factorization.

220203311123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5165901.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 220203311123 its reverse (321113302022), we get a palindrome (541316613145).

The spelling of 220203311123 in words is "two hundred twenty billion, two hundred three million, three hundred eleven thousand, one hundred twenty-three".