142423699 has 8 divisors (see below), whose sum is σ = 158005440. Its totient is φ = 127281000.

The previous prime is 142423679. The next prime is 142423717. The reversal of 142423699 is 996324241.

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

It is not a de Polignac number, because 142423699 - 2¹¹ = 142421651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142423609) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109077 + ... + 110374.

It is an arithmetic number, because the mean of its divisors is an integer number (19750680).

Almost surely, 2^142423699 is an apocalyptic number.

142423699 is a deficient number, since it is larger than the sum of its proper divisors (15581741).

142423699 is a wasteful number, since it uses less digits than its factorization.

142423699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219521.

The product of its digits is 93312, while the sum is 40.

The square root of 142423699 is about 11934.1400611858. The cubic root of 142423699 is about 522.2287217658.

The spelling of 142423699 in words is "one hundred forty-two million, four hundred twenty-three thousand, six hundred ninety-nine".