2115013123 has 8 divisors (see below), whose sum is σ = 2210503680. Its totient is φ = 2021026560.

The previous prime is 2115013073. The next prime is 2115013127. The reversal of 2115013123 is 3213105112.

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 2115013123 - 2²⁹ = 1578142211 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2115013123.

It is not an unprimeable number, because it can be changed into a prime (2115013127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 373123 + ... + 378748.

It is an arithmetic number, because the mean of its divisors is an integer number (276312960).

Almost surely, 2^2115013123 is an apocalyptic number.

2115013123 is a deficient number, since it is larger than the sum of its proper divisors (95490557).

2115013123 is an equidigital number, since it uses as much as digits as its factorization.

2115013123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 751997.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 2115013123 is about 45989.2718250681. The cubic root of 2115013123 is about 1283.6235869856.

Adding to 2115013123 its reverse (3213105112), we get a palindrome (5328118235).

The spelling of 2115013123 in words is "two billion, one hundred fifteen million, thirteen thousand, one hundred twenty-three".