1403640223 has 8 divisors (see below), whose sum is σ = 1452585600. Its totient is φ = 1354731168.

The previous prime is 1403640193. The next prime is 1403640239. The reversal of 1403640223 is 3220463041.

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 1403640223 - 2²¹ = 1401543071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1403640253) 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, 86898 + ... + 101776.

It is an arithmetic number, because the mean of its divisors is an integer number (181573200).

Almost surely, 2^1403640223 is an apocalyptic number.

1403640223 is a deficient number, since it is larger than the sum of its proper divisors (48945377).

1403640223 is a wasteful number, since it uses less digits than its factorization.

1403640223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18161.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 1403640223 is about 37465.1868138943. The cubic root of 1403640223 is about 1119.6576927441.

The spelling of 1403640223 in words is "one billion, four hundred three million, six hundred forty thousand, two hundred twenty-three".