1423223143403 has 4 divisors (see below), whose sum is σ = 1424220498120. Its totient is φ = 1422225788688.

The previous prime is 1423223143399. The next prime is 1423223143409. The reversal of 1423223143403 is 3043413223241.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1423223143403 - 2² = 1423223143399 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1423223143403.

It is not an unprimeable number, because it can be changed into a prime (1423223143409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 498675218 + ... + 498678071.

It is an arithmetic number, because the mean of its divisors is an integer number (356055124530).

Almost surely, 2^{1423223143403} is an apocalyptic number.

1423223143403 is a deficient number, since it is larger than the sum of its proper divisors (997354717).

1423223143403 is an equidigital number, since it uses as much as digits as its factorization.

1423223143403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 997354716.

The product of its (nonzero) digits is 41472, while the sum is 32.

Adding to 1423223143403 its reverse (3043413223241), we get a palindrome (4466636366644).

The spelling of 1423223143403 in words is "one trillion, four hundred twenty-three billion, two hundred twenty-three million, one hundred forty-three thousand, four hundred three".