142341233 has 4 divisors (see below), whose sum is σ = 143016048. Its totient is φ = 141666420.

The previous prime is 142341229. The next prime is 142341253. The reversal of 142341233 is 332143241.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 142341233 - 2² = 142341229 is a prime.

It is a super-2 number, since 2×142341233² = 40522053223920578, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 142341199 and 142341208.

It is not an unprimeable number, because it can be changed into a prime (142341203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 337091 + ... + 337512.

It is an arithmetic number, because the mean of its divisors is an integer number (35754012).

Almost surely, 2^142341233 is an apocalyptic number.

It is an amenable number.

142341233 is a deficient number, since it is larger than the sum of its proper divisors (674815).

142341233 is an equidigital number, since it uses as much as digits as its factorization.

142341233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 674814.

The product of its digits is 1728, while the sum is 23.

The square root of 142341233 is about 11930.6845151483. The cubic root of 142341233 is about 522.1279088889.

Adding to 142341233 its reverse (332143241), we get a palindrome (474484474).

The spelling of 142341233 in words is "one hundred forty-two million, three hundred forty-one thousand, two hundred thirty-three".