142323012 has 108 divisors (see below), whose sum is σ = 394676100. Its totient is φ = 43220736.

The previous prime is 142323007. The next prime is 142323019. The reversal of 142323012 is 210323241.

142323012 is a `hidden beast` number, since 1 + 423 + 230 + 12 = 666.

142323012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 61214976 + 81108036 = 7824^2 + 9006^2 .

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

It is not an unprimeable number, because it can be changed into a prime (142323019) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 906438 + ... + 906594.

Almost surely, 2^142323012 is an apocalyptic number.

142323012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142323012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (197338050).

142323012 is an abundant number, since it is smaller than the sum of its proper divisors (252353088).

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

142323012 is a wasteful number, since it uses less digits than its factorization.

142323012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342 (or 324 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 142323012 is about 11929.9208714895. The cubic root of 142323012 is about 522.1056288641.

Adding to 142323012 its reverse (210323241), we get a palindrome (352646253).

The spelling of 142323012 in words is "one hundred forty-two million, three hundred twenty-three thousand, twelve".