1403223143 has 12 divisors (see below), whose sum is σ = 1656687672. Its totient is φ = 1184808240.

The previous prime is 1403223119. The next prime is 1403223193. The reversal of 1403223143 is 3413223041.

It is not a de Polignac number, because 1403223143 - 2⁶ = 1403223079 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 (1403223193) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 210428 + ... + 216993.

It is an arithmetic number, because the mean of its divisors is an integer number (138057306).

Almost surely, 2^1403223143 is an apocalyptic number.

1403223143 is a deficient number, since it is larger than the sum of its proper divisors (253464529).

1403223143 is an equidigital number, since it uses as much as digits as its factorization.

1403223143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427502 (or 427495 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 1403223143 is about 37459.6201662537. The cubic root of 1403223143 is about 1119.5467827725.

Adding to 1403223143 its reverse (3413223041), we get a palindrome (4816446184).

The spelling of 1403223143 in words is "one billion, four hundred three million, two hundred twenty-three thousand, one hundred forty-three".