142423123 has 2 divisors, whose sum is σ = 142423124. Its totient is φ = 142423122.

The previous prime is 142423121. The next prime is 142423163. The reversal of 142423123 is 321324241.

142423123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 142423123 - 2¹ = 142423121 is a prime.

Together with 142423121, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 142423094 and 142423103.

It is not a weakly prime, because it can be changed into another prime (142423121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71211561 + 71211562.

It is an arithmetic number, because the mean of its divisors is an integer number (71211562).

Almost surely, 2^142423123 is an apocalyptic number.

142423123 is a deficient number, since it is larger than the sum of its proper divisors (1).

142423123 is an equidigital number, since it uses as much as digits as its factorization.

142423123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1152, while the sum is 22.

The square root of 142423123 is about 11934.1159287146. The cubic root of 142423123 is about 522.2280177534.

Adding to 142423123 its reverse (321324241), we get a palindrome (463747364).

The spelling of 142423123 in words is "one hundred forty-two million, four hundred twenty-three thousand, one hundred twenty-three".