1334143423 has 4 divisors (see below), whose sum is σ = 1334468520. Its totient is φ = 1333818328.

The previous prime is 1334143397. The next prime is 1334143469. The reversal of 1334143423 is 3243414331.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1334143423 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1334143391 and 1334143400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1334141423) 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 3 ways as a sum of consecutive naturals, for example, 156313 + ... + 164626.

It is an arithmetic number, because the mean of its divisors is an integer number (333617130).

Almost surely, 2^1334143423 is an apocalyptic number.

1334143423 is a deficient number, since it is larger than the sum of its proper divisors (325097).

1334143423 is an equidigital number, since it uses as much as digits as its factorization.

1334143423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325096.

The product of its digits is 10368, while the sum is 28.

The square root of 1334143423 is about 36525.9280922470. The cubic root of 1334143423 is about 1100.8652759323.

Adding to 1334143423 its reverse (3243414331), we get a palindrome (4577557754).

The spelling of 1334143423 in words is "one billion, three hundred thirty-four million, one hundred forty-three thousand, four hundred twenty-three".