1424234143 has 4 divisors (see below), whose sum is σ = 1508012640. Its totient is φ = 1340455648.

The previous prime is 1424234131. The next prime is 1424234173. The reversal of 1424234143 is 3414324241.

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-1424234143 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 (1424234113) 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, 41889223 + ... + 41889256.

It is an arithmetic number, because the mean of its divisors is an integer number (377003160).

Almost surely, 2^1424234143 is an apocalyptic number.

1424234143 is a deficient number, since it is larger than the sum of its proper divisors (83778497).

1424234143 is an equidigital number, since it uses as much as digits as its factorization.

1424234143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83778496.

The product of its digits is 9216, while the sum is 28.

The square root of 1424234143 is about 37739.0267892536. The cubic root of 1424234143 is about 1125.1069246190.

Adding to 1424234143 its reverse (3414324241), we get a palindrome (4838558384).

The spelling of 1424234143 in words is "one billion, four hundred twenty-four million, two hundred thirty-four thousand, one hundred forty-three".