2123013349 has 2 divisors, whose sum is σ = 2123013350. Its totient is φ = 2123013348.

The previous prime is 2123013311. The next prime is 2123013401. The reversal of 2123013349 is 9433103212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1350562500 + 772450849 = 36750^2 + 27793^2 .

It is a cyclic number.

It is not a de Polignac number, because 2123013349 - 2¹⁵ = 2122980581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2123013049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061506674 + 1061506675.

It is an arithmetic number, because the mean of its divisors is an integer number (1061506675).

Almost surely, 2^2123013349 is an apocalyptic number.

It is an amenable number.

2123013349 is a deficient number, since it is larger than the sum of its proper divisors (1).

2123013349 is an equidigital number, since it uses as much as digits as its factorization.

2123013349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 2123013349 is about 46076.1689922242. The cubic root of 2123013349 is about 1285.2400242029.

The spelling of 2123013349 in words is "two billion, one hundred twenty-three million, thirteen thousand, three hundred forty-nine".