2143142423 has 2 divisors, whose sum is σ = 2143142424. Its totient is φ = 2143142422.

The previous prime is 2143142371. The next prime is 2143142471. The reversal of 2143142423 is 3242413412.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2143142423 - 2⁶ = 2143142359 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2143142392 and 2143142401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2143145423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1071571211 + 1071571212.

It is an arithmetic number, because the mean of its divisors is an integer number (1071571212).

Almost surely, 2^2143142423 is an apocalyptic number.

2143142423 is a deficient number, since it is larger than the sum of its proper divisors (1).

2143142423 is an equidigital number, since it uses as much as digits as its factorization.

2143142423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4608, while the sum is 26.

The square root of 2143142423 is about 46294.0862637983. The cubic root of 2143142423 is about 1289.2891989840.

Adding to 2143142423 its reverse (3242413412), we get a palindrome (5385555835).

The spelling of 2143142423 in words is "two billion, one hundred forty-three million, one hundred forty-two thousand, four hundred twenty-three".