2123434324 has 36 divisors (see below), whose sum is σ = 4088441812. Its totient is φ = 964275840.

The previous prime is 2123434309. The next prime is 2123434337. The reversal of 2123434324 is 4234343212.

It can be written as a sum of positive squares in 2 ways, for example, as 502566724 + 1620867600 = 22418^2 + 40260^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2123434292 and 2123434301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 992584 + ... + 994720.

Almost surely, 2^2123434324 is an apocalyptic number.

It is an amenable number.

2123434324 is a deficient number, since it is larger than the sum of its proper divisors (1965007488).

2123434324 is a wasteful number, since it uses less digits than its factorization.

2123434324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4216 (or 4203 counting only the distinct ones).

The product of its digits is 13824, while the sum is 28.

The square root of 2123434324 is about 46080.7370166754. The cubic root of 2123434324 is about 1285.3249692114.

Adding to 2123434324 its reverse (4234343212), we get a palindrome (6357777536).

The spelling of 2123434324 in words is "two billion, one hundred twenty-three million, four hundred thirty-four thousand, three hundred twenty-four".