1402340223 has 16 divisors (see below), whose sum is σ = 1888071680. Its totient is φ = 925779456.

The previous prime is 1402340207. The next prime is 1402340227. The reversal of 1402340223 is 3220432041.

It is not a de Polignac number, because 1402340223 - 2⁴ = 1402340207 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1402340223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1402340227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 216648 + ... + 223026.

It is an arithmetic number, because the mean of its divisors is an integer number (118004480).

Almost surely, 2^1402340223 is an apocalyptic number.

1402340223 is a deficient number, since it is larger than the sum of its proper divisors (485731457).

1402340223 is a wasteful number, since it uses less digits than its factorization.

1402340223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7086.

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

The square root of 1402340223 is about 37447.8333552156. The cubic root of 1402340223 is about 1119.3119240377.

Adding to 1402340223 its reverse (3220432041), we get a palindrome (4622772264).

The spelling of 1402340223 in words is "one billion, four hundred two million, three hundred forty thousand, two hundred twenty-three".