142336923 has 16 divisors (see below), whose sum is σ = 204420480. Its totient is φ = 87804864.

The previous prime is 142336919. The next prime is 142336963. The reversal of 142336923 is 329633241.

It is not a de Polignac number, because 142336923 - 2² = 142336919 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142336963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26586 + ... + 31487.

It is an arithmetic number, because the mean of its divisors is an integer number (12776280).

Almost surely, 2^142336923 is an apocalyptic number.

142336923 is a deficient number, since it is larger than the sum of its proper divisors (62083557).

142336923 is a wasteful number, since it uses less digits than its factorization.

142336923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58138.

The product of its digits is 23328, while the sum is 33.

The square root of 142336923 is about 11930.5038870955. The cubic root of 142336923 is about 522.1226389379.

The spelling of 142336923 in words is "one hundred forty-two million, three hundred thirty-six thousand, nine hundred twenty-three".