2146523 has 2 divisors, whose sum is σ = 2146524. Its totient is φ = 2146522.

The previous prime is 2146519. The next prime is 2146531. The reversal of 2146523 is 3256412.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2146523 - 2² = 2146519 is a prime.

It is not a weakly prime, because it can be changed into another prime (2146423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1073261 + 1073262.

It is an arithmetic number, because the mean of its divisors is an integer number (1073262).

2^2146523 is an apocalyptic number.

2146523 is a deficient number, since it is larger than the sum of its proper divisors (1).

2146523 is an equidigital number, since it uses as much as digits as its factorization.

2146523 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1440, while the sum is 23.

The square root of 2146523 is about 1465.1017029544. The cubic root of 2146523 is about 128.9966747936.

The spelling of 2146523 in words is "two million, one hundred forty-six thousand, five hundred twenty-three".