2140408323 has 6 divisors (see below), whose sum is σ = 3091700924. Its totient is φ = 1426938876.

The previous prime is 2140408297. The next prime is 2140408337. The reversal of 2140408323 is 3238040412.

It is not a de Polignac number, because 2140408323 - 2¹³ = 2140400131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2140408363) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 118911565 + ... + 118911582.

Almost surely, 2^2140408323 is an apocalyptic number.

2140408323 is a deficient number, since it is larger than the sum of its proper divisors (951292601).

2140408323 is a wasteful number, since it uses less digits than its factorization.

2140408323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237823153 (or 237823150 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 2140408323 is about 46264.5471500587. The cubic root of 2140408323 is about 1288.7406982338.

Adding to 2140408323 its reverse (3238040412), we get a palindrome (5378448735).

The spelling of 2140408323 in words is "two billion, one hundred forty million, four hundred eight thousand, three hundred twenty-three".