2123235515 has 8 divisors (see below), whose sum is σ = 2548149840. Its totient is φ = 1698410272.

The previous prime is 2123235487. The next prime is 2123235571. The reversal of 2123235515 is 5155323212.

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

It is a cyclic number.

It is not a de Polignac number, because 2123235515 - 2⁸ = 2123235259 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53792 + ... + 84498.

It is an arithmetic number, because the mean of its divisors is an integer number (318518730).

Almost surely, 2^2123235515 is an apocalyptic number.

2123235515 is a deficient number, since it is larger than the sum of its proper divisors (424914325).

2123235515 is a wasteful number, since it uses less digits than its factorization.

2123235515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44541.

The product of its digits is 9000, while the sum is 29.

The square root of 2123235515 is about 46078.5797849717. The cubic root of 2123235515 is about 1285.2848546128.

Adding to 2123235515 its reverse (5155323212), we get a palindrome (7278558727).

The spelling of 2123235515 in words is "two billion, one hundred twenty-three million, two hundred thirty-five thousand, five hundred fifteen".