1403231323 has 16 divisors (see below), whose sum is σ = 1655246880. Its totient is φ = 1177053696.

The previous prime is 1403231287. The next prime is 1403231329. The reversal of 1403231323 is 3231323041.

It is a de Polignac number, because none of the positive numbers 2^k-1403231323 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1403231294 and 1403231303.

It is not an unprimeable number, because it can be changed into a prime (1403231329) 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, 103065 + ... + 115882.

It is an arithmetic number, because the mean of its divisors is an integer number (103452930).

Almost surely, 2^1403231323 is an apocalyptic number.

1403231323 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1403231323 is a deficient number, since it is larger than the sum of its proper divisors (252015557).

1403231323 is a wasteful number, since it uses less digits than its factorization.

1403231323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219006.

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 1403231323 is about 37459.7293503303. The cubic root of 1403231323 is about 1119.5489582105.

Adding to 1403231323 its reverse (3231323041), we get a palindrome (4634554364).

The spelling of 1403231323 in words is "one billion, four hundred three million, two hundred thirty-one thousand, three hundred twenty-three".