1403402243 has 8 divisors (see below), whose sum is σ = 1447286400. Its totient is φ = 1359977920.

The previous prime is 1403402239. The next prime is 1403402269. The reversal of 1403402243 is 3422043041.

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 1403402243 - 2² = 1403402239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1403102243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108755 + ... + 120972.

It is an arithmetic number, because the mean of its divisors is an integer number (180910800).

Almost surely, 2^1403402243 is an apocalyptic number.

1403402243 is a deficient number, since it is larger than the sum of its proper divisors (43884157).

1403402243 is a wasteful number, since it uses less digits than its factorization.

1403402243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229917.

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

The square root of 1403402243 is about 37462.0106641381. The cubic root of 1403402243 is about 1119.5944117614.

Adding to 1403402243 its reverse (3422043041), we get a palindrome (4825445284).

The spelling of 1403402243 in words is "one billion, four hundred three million, four hundred two thousand, two hundred forty-three".