2140523 has 8 divisors (see below), whose sum is σ = 2668800. Its totient is φ = 1667880.

The previous prime is 2140517. The next prime is 2140531. The reversal of 2140523 is 3250412.

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 2140523 - 2⁶ = 2140459 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 (2140513) 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, 13823 + ... + 13976.

It is an arithmetic number, because the mean of its divisors is an integer number (333600).

2^2140523 is an apocalyptic number.

2140523 is a deficient number, since it is larger than the sum of its proper divisors (528277).

2140523 is a wasteful number, since it uses less digits than its factorization.

2140523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27817.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 2140523 is about 1463.0526306323. The cubic root of 2140523 is about 128.8763713512.

Adding to 2140523 its reverse (3250412), we get a palindrome (5390935).

The spelling of 2140523 in words is "two million, one hundred forty thousand, five hundred twenty-three".