2143402403 has 8 divisors (see below), whose sum is σ = 2219623296. Its totient is φ = 2067624000.

The previous prime is 2143402337. The next prime is 2143402411. The reversal of 2143402403 is 3042043412.

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 2143402403 - 2¹² = 2143398307 is a prime.

It is a super-2 number, since 2×2143402403² = 9188347722372348818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2143402423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100748 + ... + 120153.

It is an arithmetic number, because the mean of its divisors is an integer number (277452912).

Almost surely, 2^2143402403 is an apocalyptic number.

2143402403 is a deficient number, since it is larger than the sum of its proper divisors (76220893).

2143402403 is a wasteful number, since it uses less digits than its factorization.

2143402403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221245.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 2143402403 is about 46296.8940966886. The cubic root of 2143402403 is about 1289.3413305097.

Adding to 2143402403 its reverse (3042043412), we get a palindrome (5185445815).

The spelling of 2143402403 in words is "two billion, one hundred forty-three million, four hundred two thousand, four hundred three".