1423043143 has 8 divisors (see below), whose sum is σ = 1490168448. Its totient is φ = 1356355704.

The previous prime is 1423043113. The next prime is 1423043147. The reversal of 1423043143 is 3413403241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1423043143 - 2²¹ = 1420945991 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 (1423043147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102805 + ... + 115822.

It is an arithmetic number, because the mean of its divisors is an integer number (186271056).

Almost surely, 2^1423043143 is an apocalyptic number.

1423043143 is a deficient number, since it is larger than the sum of its proper divisors (67125305).

1423043143 is a wasteful number, since it uses less digits than its factorization.

1423043143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218933.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 1423043143 is about 37723.2440678158. The cubic root of 1423043143 is about 1124.7932177640.

Adding to 1423043143 its reverse (3413403241), we get a palindrome (4836446384).

The spelling of 1423043143 in words is "one billion, four hundred twenty-three million, forty-three thousand, one hundred forty-three".