2123510534 has 8 divisors (see below), whose sum is σ = 3187081920. Its totient is φ = 1061149896.

The previous prime is 2123510513. The next prime is 2123510603. The reversal of 2123510534 is 4350153212.

It is a happy number.

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

It is a congruent number.

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, 298289 + ... + 305324.

It is an arithmetic number, because the mean of its divisors is an integer number (398385240).

Almost surely, 2^2123510534 is an apocalyptic number.

2123510534 is a deficient number, since it is larger than the sum of its proper divisors (1063571386).

2123510534 is a wasteful number, since it uses less digits than its factorization.

2123510534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 605374.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 2123510534 is about 46081.5639274537. The cubic root of 2123510534 is about 1285.3403457868.

Adding to 2123510534 its reverse (4350153212), we get a palindrome (6473663746).

The spelling of 2123510534 in words is "two billion, one hundred twenty-three million, five hundred ten thousand, five hundred thirty-four".