423142040143 has 2 divisors, whose sum is σ = 423142040144. Its totient is φ = 423142040142.

The previous prime is 423142040089. The next prime is 423142040147. The reversal of 423142040143 is 341040241324.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 423142040143 - 2⁹ = 423142039631 is a prime.

It is a super-4 number, since 4×423142040143⁴ (a number of 48 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (423142040147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211571020071 + 211571020072.

It is an arithmetic number, because the mean of its divisors is an integer number (211571020072).

Almost surely, 2^423142040143 is an apocalyptic number.

423142040143 is a deficient number, since it is larger than the sum of its proper divisors (1).

423142040143 is an equidigital number, since it uses as much as digits as its factorization.

423142040143 is an evil number, because the sum of its binary digits is even.

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

Adding to 423142040143 its reverse (341040241324), we get a palindrome (764182281467).

The spelling of 423142040143 in words is "four hundred twenty-three billion, one hundred forty-two million, forty thousand, one hundred forty-three".