2123043015 has 16 divisors (see below), whose sum is σ = 3397500000. Its totient is φ = 1132079232.

The previous prime is 2123043001. The next prime is 2123043053. The reversal of 2123043015 is 5103403212.

It is not a de Polignac number, because 2123043015 - 2⁶ = 2123042951 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2123042982 and 2123043000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103861 + ... + 122609.

It is an arithmetic number, because the mean of its divisors is an integer number (212343750).

Almost surely, 2^2123043015 is an apocalyptic number.

2123043015 is a deficient number, since it is larger than the sum of its proper divisors (1274456985).

2123043015 is a wasteful number, since it uses less digits than its factorization.

2123043015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26306.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 2123043015 is about 46076.4909145651. The cubic root of 2123043015 is about 1285.2460106236.

Adding to 2123043015 its reverse (5103403212), we get a palindrome (7226446227).

The spelling of 2123043015 in words is "two billion, one hundred twenty-three million, forty-three thousand, fifteen".