1423330143403 has 6 divisors (see below), whose sum is σ = 1655710575036. Its totient is φ = 1219997265732.

The previous prime is 1423330143397. The next prime is 1423330143407. The reversal of 1423330143403 is 3043410333241.

It is a de Polignac number, because none of the positive numbers 2^k-1423330143403 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1423330143407) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14523776925 + ... + 14523777022.

It is an arithmetic number, because the mean of its divisors is an integer number (275951762506).

Almost surely, 2^{1423330143403} is an apocalyptic number.

1423330143403 is a deficient number, since it is larger than the sum of its proper divisors (232380431633).

1423330143403 is an equidigital number, since it uses as much as digits as its factorization.

1423330143403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29047553961 (or 29047553954 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 31.

Adding to 1423330143403 its reverse (3043410333241), we get a palindrome (4466740476644).

The spelling of 1423330143403 in words is "one trillion, four hundred twenty-three billion, three hundred thirty million, one hundred forty-three thousand, four hundred three".