2123434299 has 16 divisors (see below), whose sum is σ = 3310959872. Its totient is φ = 1185172128.

The previous prime is 2123434289. The next prime is 2123434309. The reversal of 2123434299 is 9924343212.

2123434299 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2123434289) and next prime (2123434309).

It is not a de Polignac number, because 2123434299 - 2⁷ = 2123434171 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2123434279) 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, 1174864 + ... + 1176669.

It is an arithmetic number, because the mean of its divisors is an integer number (206934992).

Almost surely, 2^2123434299 is an apocalyptic number.

2123434299 is a deficient number, since it is larger than the sum of its proper divisors (1187525573).

2123434299 is a wasteful number, since it uses less digits than its factorization.

2123434299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2351586.

The product of its digits is 93312, while the sum is 39.

The square root of 2123434299 is about 46080.7367454124. The cubic root of 2123434299 is about 1285.3249641672.

The spelling of 2123434299 in words is "two billion, one hundred twenty-three million, four hundred thirty-four thousand, two hundred ninety-nine".