123324243142 has 16 divisors (see below), whose sum is σ = 186242321664. Its totient is φ = 61243605000.

The previous prime is 123324243137. The next prime is 123324243143. The reversal of 123324243142 is 241342423321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123324243143) 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, 1990167 + ... + 2051197.

It is an arithmetic number, because the mean of its divisors is an integer number (11640145104).

Almost surely, 2^123324243142 is an apocalyptic number.

123324243142 is a deficient number, since it is larger than the sum of its proper divisors (62918078522).

123324243142 is a wasteful number, since it uses less digits than its factorization.

123324243142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67875.

The product of its digits is 27648, while the sum is 31.

Adding to 123324243142 its reverse (241342423321), we get a palindrome (364666666463).

The spelling of 123324243142 in words is "one hundred twenty-three billion, three hundred twenty-four million, two hundred forty-three thousand, one hundred forty-two".