2100544223 has 2 divisors, whose sum is σ = 2100544224. Its totient is φ = 2100544222.

The previous prime is 2100544219. The next prime is 2100544247. The reversal of 2100544223 is 3224450012.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2100544223 - 2² = 2100544219 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2100544423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050272111 + 1050272112.

It is an arithmetic number, because the mean of its divisors is an integer number (1050272112).

Almost surely, 2^2100544223 is an apocalyptic number.

2100544223 is a deficient number, since it is larger than the sum of its proper divisors (1).

2100544223 is an equidigital number, since it uses as much as digits as its factorization.

2100544223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 2100544223 is about 45831.6945246409. The cubic root of 2100544223 is about 1280.6897777558.

Adding to 2100544223 its reverse (3224450012), we get a palindrome (5324994235).

The spelling of 2100544223 in words is "two billion, one hundred million, five hundred forty-four thousand, two hundred twenty-three".