2203123023 has 16 divisors (see below), whose sum is σ = 3288806400. Its totient is φ = 1457534520.

The previous prime is 2203123019. The next prime is 2203123051. The reversal of 2203123023 is 3203213022.

It is a happy number.

It is not a de Polignac number, because 2203123023 - 2² = 2203123019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2203122987 and 2203123005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2203123063) 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 15 ways as a sum of consecutive naturals, for example, 307903 + ... + 314976.

It is an arithmetic number, because the mean of its divisors is an integer number (205550400).

Almost surely, 2^2203123023 is an apocalyptic number.

2203123023 is a deficient number, since it is larger than the sum of its proper divisors (1085683377).

2203123023 is a wasteful number, since it uses less digits than its factorization.

2203123023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 623019 (or 623013 counting only the distinct ones).

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

The square root of 2203123023 is about 46937.4373288530. The cubic root of 2203123023 is about 1301.2065766307.

Adding to 2203123023 its reverse (3203213022), we get a palindrome (5406336045).

It can be divided in two parts, 22031 and 23023, that added together give a palindrome (45054).

The spelling of 2203123023 in words is "two billion, two hundred three million, one hundred twenty-three thousand, twenty-three".