2140403223 has 16 divisors (see below), whose sum is σ = 3270977280. Its totient is φ = 1219558656.

The previous prime is 2140403183. The next prime is 2140403267. The reversal of 2140403223 is 3223040412.

It is not a de Polignac number, because 2140403223 - 2⁶ = 2140403159 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 2140403223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2140403423) 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, 139578 + ... + 154151.

It is an arithmetic number, because the mean of its divisors is an integer number (204436080).

Almost surely, 2^2140403223 is an apocalyptic number.

2140403223 is a deficient number, since it is larger than the sum of its proper divisors (1130574057).

2140403223 is a wasteful number, since it uses less digits than its factorization.

2140403223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294086.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 2140403223 is about 46264.4920322270. The cubic root of 2140403223 is about 1288.7396746623.

Adding to 2140403223 its reverse (3223040412), we get a palindrome (5363443635).

The spelling of 2140403223 in words is "two billion, one hundred forty million, four hundred three thousand, two hundred twenty-three".