2123010103 has 2 divisors, whose sum is σ = 2123010104. Its totient is φ = 2123010102.

The previous prime is 2123010079. The next prime is 2123010137. The reversal of 2123010103 is 3010103212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2123010103 - 2⁹ = 2123009591 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2123010143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061505051 + 1061505052.

It is an arithmetic number, because the mean of its divisors is an integer number (1061505052).

Almost surely, 2^2123010103 is an apocalyptic number.

2123010103 is a deficient number, since it is larger than the sum of its proper divisors (1).

2123010103 is an equidigital number, since it uses as much as digits as its factorization.

2123010103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 2123010103 is about 46076.1337679281. The cubic root of 2123010103 is about 1285.2393691762.

Adding to 2123010103 its reverse (3010103212), we get a palindrome (5133113315).

It can be divided in two parts, 212 and 3010103, that multiplied together give a palindrome (638141836).

The spelling of 2123010103 in words is "two billion, one hundred twenty-three million, ten thousand, one hundred three".