220003203123 has 96 divisors (see below), whose sum is σ = 361063422720. Its totient is φ = 127931166720.

The previous prime is 220003203071. The next prime is 220003203131. The reversal of 220003203123 is 321302300022.

It is a happy number.

220003203123 is a `hidden beast` number, since 220 + 0 + 0 + 320 + 3 + 123 = 666.

It is not a de Polignac number, because 220003203123 - 2¹⁸ = 220002940979 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 220003203096 and 220003203105.

It is not an unprimeable number, because it can be changed into a prime (220003203143) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 57395215 + ... + 57399047.

It is an arithmetic number, because the mean of its divisors is an integer number (3761077320).

Almost surely, 2^220003203123 is an apocalyptic number.

220003203123 is a deficient number, since it is larger than the sum of its proper divisors (141060219597).

220003203123 is a wasteful number, since it uses less digits than its factorization.

220003203123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4129 (or 4126 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 220003203123 its reverse (321302300022), we get a palindrome (541305503145).

The spelling of 220003203123 in words is "two hundred twenty billion, three million, two hundred three thousand, one hundred twenty-three".