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142330111423 = 179749791827
BaseRepresentation
bin1000010010001110001…
…0010010010110111111
3111121101020012210201021
42010203202102112333
54312443002031143
6145215140125011
713166033662033
oct2044342222677
9447336183637
10142330111423
11553a8701365
1223702096767
131056354aa56
146c62c981c3
153a8058eced
hex21238925bf

142330111423 has 4 divisors (see below), whose sum is σ = 142331083000. Its totient is φ = 142329139848.

The previous prime is 142330111361. The next prime is 142330111439. The reversal of 142330111423 is 324111033241.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-142330111423 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 (142330111493) 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, 216165 + ... + 575662.

It is an arithmetic number, because the mean of its divisors is an integer number (35582770750).

Almost surely, 2142330111423 is an apocalyptic number.

142330111423 is a deficient number, since it is larger than the sum of its proper divisors (971577).

142330111423 is an equidigital number, since it uses as much as digits as its factorization.

142330111423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 971576.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 142330111423 its reverse (324111033241), we get a palindrome (466441144664).

The spelling of 142330111423 in words is "one hundred forty-two billion, three hundred thirty million, one hundred eleven thousand, four hundred twenty-three".

Divisors: 1 179749 791827 142330111423