123014142 has 48 divisors (see below), whose sum is σ = 288802800. Its totient is φ = 37691136.

The previous prime is 123014131. The next prime is 123014149. The reversal of 123014142 is 241410321.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123014149) 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 23 ways as a sum of consecutive naturals, for example, 8484 + ... + 17832.

It is an arithmetic number, because the mean of its divisors is an integer number (6016725).

Almost surely, 2^123014142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123014142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144401400).

123014142 is an abundant number, since it is smaller than the sum of its proper divisors (165788658).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123014142 is a wasteful number, since it uses less digits than its factorization.

123014142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9417 (or 9414 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 123014142 is about 11091.1740586829. The cubic root of 123014142 is about 497.3380424476.

Adding to 123014142 its reverse (241410321), we get a palindrome (364424463).

The spelling of 123014142 in words is "one hundred twenty-three million, fourteen thousand, one hundred forty-two".