2115423 has 16 divisors (see below), whose sum is σ = 3202560. Its totient is φ = 1379448.

The previous prime is 2115397. The next prime is 2115427. The reversal of 2115423 is 3245112.

2115423 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2115423 - 2¹⁷ = 1984351 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2115396 and 2115405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2115427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 436 + ... + 2102.

It is an arithmetic number, because the mean of its divisors is an integer number (200160).

2^2115423 is an apocalyptic number.

2115423 is a deficient number, since it is larger than the sum of its proper divisors (1087137).

2115423 is a wasteful number, since it uses less digits than its factorization.

2115423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1723 (or 1717 counting only the distinct ones).

The product of its digits is 240, while the sum is 18.

The square root of 2115423 is about 1454.4493803498. The cubic root of 2115423 is about 128.3706501176.

The spelling of 2115423 in words is "two million, one hundred fifteen thousand, four hundred twenty-three".