2148523 has 16 divisors (see below), whose sum is σ = 2469600. Its totient is φ = 1854720.

The previous prime is 2148491. The next prime is 2148527. The reversal of 2148523 is 3258412.

It is a cyclic number.

It is not a de Polignac number, because 2148523 - 2⁵ = 2148491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2148527) 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, 15388 + ... + 15526.

It is an arithmetic number, because the mean of its divisors is an integer number (154350).

2^2148523 is an apocalyptic number.

2148523 is a deficient number, since it is larger than the sum of its proper divisors (321077).

2148523 is a wasteful number, since it uses less digits than its factorization.

2148523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222.

The product of its digits is 1920, while the sum is 25.

The square root of 2148523 is about 1465.7840905127. The cubic root of 2148523 is about 129.0367261175.

The spelling of 2148523 in words is "two million, one hundred forty-eight thousand, five hundred twenty-three".