142344423 has 12 divisors (see below), whose sum is σ = 221424840. Its totient is φ = 87596496.

The previous prime is 142344413. The next prime is 142344427. The reversal of 142344423 is 324443241.

It is a happy number.

142344423 is a `hidden beast` number, since 1 + 4 + 234 + 4 + 423 = 666.

It is not a de Polignac number, because 142344423 - 2¹² = 142340327 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142344427) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 608193 + ... + 608426.

It is an arithmetic number, because the mean of its divisors is an integer number (18452070).

Almost surely, 2^142344423 is an apocalyptic number.

142344423 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

142344423 is a deficient number, since it is larger than the sum of its proper divisors (79080417).

142344423 is a wasteful number, since it uses less digits than its factorization.

142344423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1216638 (or 1216635 counting only the distinct ones).

The product of its digits is 9216, while the sum is 27.

The square root of 142344423 is about 11930.8182032918. The cubic root of 142344423 is about 522.1318093179.

Adding to 142344423 its reverse (324443241), we get a palindrome (466787664).

The spelling of 142344423 in words is "one hundred forty-two million, three hundred forty-four thousand, four hundred twenty-three".