2123340434 has 8 divisors (see below), whose sum is σ = 3185230908. Its totient is φ = 1061596800.

The previous prime is 2123340403. The next prime is 2123340451. The reversal of 2123340434 is 4340433212.

It can be written as a sum of positive squares in 2 ways, for example, as 2114620225 + 8720209 = 45985^2 + 2953^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12794 + ... + 66410.

Almost surely, 2^2123340434 is an apocalyptic number.

2123340434 is a deficient number, since it is larger than the sum of its proper divisors (1061890474).

2123340434 is a wasteful number, since it uses less digits than its factorization.

2123340434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73420.

The product of its (nonzero) digits is 6912, while the sum is 26.

The square root of 2123340434 is about 46079.7182500067. The cubic root of 2123340434 is about 1285.3060249099.

Adding to 2123340434 its reverse (4340433212), we get a palindrome (6463773646).

The spelling of 2123340434 in words is "two billion, one hundred twenty-three million, three hundred forty thousand, four hundred thirty-four".