2140304523 has 16 divisors (see below), whose sum is σ = 3268505856. Its totient is φ = 1220372640.

The previous prime is 2140304521. The next prime is 2140304531. The reversal of 2140304523 is 3254030412.

It is not a de Polignac number, because 2140304523 - 2¹ = 2140304521 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2140304493 and 2140304502.

It is not an unprimeable number, because it can be changed into a prime (2140304521) 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, 100861 + ... + 120222.

It is an arithmetic number, because the mean of its divisors is an integer number (204281616).

Almost surely, 2^2140304523 is an apocalyptic number.

2140304523 is a deficient number, since it is larger than the sum of its proper divisors (1128201333).

2140304523 is a wasteful number, since it uses less digits than its factorization.

2140304523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221554.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 2140304523 is about 46263.4253271415. The cubic root of 2140304523 is about 1288.7198652233.

Adding to 2140304523 its reverse (3254030412), we get a palindrome (5394334935).

The spelling of 2140304523 in words is "two billion, one hundred forty million, three hundred four thousand, five hundred twenty-three".