2103100423 has 2 divisors, whose sum is σ = 2103100424. Its totient is φ = 2103100422.

The previous prime is 2103100421. The next prime is 2103100451. The reversal of 2103100423 is 3240013012.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2103100423 - 2¹ = 2103100421 is a prime.

Together with 2103100421, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 2103100397 and 2103100406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2103100421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051550211 + 1051550212.

It is an arithmetic number, because the mean of its divisors is an integer number (1051550212).

Almost surely, 2^2103100423 is an apocalyptic number.

2103100423 is a deficient number, since it is larger than the sum of its proper divisors (1).

2103100423 is an equidigital number, since it uses as much as digits as its factorization.

2103100423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2103100423 is about 45859.5728610723. The cubic root of 2103100423 is about 1281.2090673324.

Adding to 2103100423 its reverse (3240013012), we get a palindrome (5343113435).

The spelling of 2103100423 in words is "two billion, one hundred three million, one hundred thousand, four hundred twenty-three".