1423142143 has 8 divisors (see below), whose sum is σ = 1472647680. Its totient is φ = 1373665440.

The previous prime is 1423142111. The next prime is 1423142191. The reversal of 1423142143 is 3412413241.

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 1423142143 - 2⁵ = 1423142111 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 (1423140143) 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, 156738 + ... + 165568.

It is an arithmetic number, because the mean of its divisors is an integer number (184080960).

Almost surely, 2^1423142143 is an apocalyptic number.

1423142143 is a deficient number, since it is larger than the sum of its proper divisors (49505537).

1423142143 is an equidigital number, since it uses as much as digits as its factorization.

1423142143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14417.

The product of its digits is 2304, while the sum is 25.

The square root of 1423142143 is about 37724.5562333078. The cubic root of 1423142143 is about 1124.8193008210.

Adding to 1423142143 its reverse (3412413241), we get a palindrome (4835555384).

The spelling of 1423142143 in words is "one billion, four hundred twenty-three million, one hundred forty-two thousand, one hundred forty-three".