2119523 has 16 divisors (see below), whose sum is σ = 2566080. Its totient is φ = 1712256.

The previous prime is 2119511. The next prime is 2119531. The reversal of 2119523 is 3259112.

It is not a de Polignac number, because 2119523 - 2⁸ = 2119267 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2119573) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10661 + ... + 10857.

It is an arithmetic number, because the mean of its divisors is an integer number (160380).

2^2119523 is an apocalyptic number.

2119523 is a deficient number, since it is larger than the sum of its proper divisors (446557).

2119523 is a wasteful number, since it uses less digits than its factorization.

2119523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286.

The product of its digits is 540, while the sum is 23.

The square root of 2119523 is about 1455.8581661687. The cubic root of 2119523 is about 128.4535303111.

The spelling of 2119523 in words is "two million, one hundred nineteen thousand, five hundred twenty-three".