2123412203 has 16 divisors (see below), whose sum is σ = 2504279040. Its totient is φ = 1779343200.

The previous prime is 2123412163. The next prime is 2123412211. The reversal of 2123412203 is 3022143212.

It is a cyclic number.

It is not a de Polignac number, because 2123412203 - 2¹² = 2123408107 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2123412503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129563 + ... + 145028.

It is an arithmetic number, because the mean of its divisors is an integer number (156517440).

Almost surely, 2^2123412203 is an apocalyptic number.

2123412203 is a deficient number, since it is larger than the sum of its proper divisors (380866837).

2123412203 is a wasteful number, since it uses less digits than its factorization.

2123412203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274658.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 2123412203 is about 46080.4969916775. The cubic root of 2123412203 is about 1285.3205058802.

Adding to 2123412203 its reverse (3022143212), we get a palindrome (5145555415).

The spelling of 2123412203 in words is "two billion, one hundred twenty-three million, four hundred twelve thousand, two hundred three".