142323105 has 8 divisors (see below), whose sum is σ = 227716992. Its totient is φ = 75905648.

The previous prime is 142323101. The next prime is 142323109. The reversal of 142323105 is 501323241.

It is an interprime number because it is at equal distance from previous prime (142323101) and next prime (142323109).

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

It is a cyclic number.

It is not a de Polignac number, because 142323105 - 2² = 142323101 is a prime.

It is a super-3 number, since 3×142323105³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (142323101) 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, 4744089 + ... + 4744118.

It is an arithmetic number, because the mean of its divisors is an integer number (28464624).

Almost surely, 2^142323105 is an apocalyptic number.

142323105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

142323105 is a deficient number, since it is larger than the sum of its proper divisors (85393887).

142323105 is an equidigital number, since it uses as much as digits as its factorization.

142323105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9488215.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 142323105 is about 11929.9247692515. The cubic root of 142323105 is about 522.1057425862.

Adding to 142323105 its reverse (501323241), we get a palindrome (643646346).

The spelling of 142323105 in words is "one hundred forty-two million, three hundred twenty-three thousand, one hundred five".