142801423 has 8 divisors (see below), whose sum is σ = 148377600. Its totient is φ = 137268768.

The previous prime is 142801403. The next prime is 142801429. The reversal of 142801423 is 324108241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142801423 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 (142801429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4111 + ... + 17392.

It is an arithmetic number, because the mean of its divisors is an integer number (18547200).

Almost surely, 2^142801423 is an apocalyptic number.

142801423 is a deficient number, since it is larger than the sum of its proper divisors (5576177).

142801423 is a wasteful number, since it uses less digits than its factorization.

142801423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21761.

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 142801423 is about 11949.9549371535. The cubic root of 142801423 is about 522.6899844060.

Adding to 142801423 its reverse (324108241), we get a palindrome (466909664).

The spelling of 142801423 in words is "one hundred forty-two million, eight hundred one thousand, four hundred twenty-three".