423140112 has 50 divisors (see below), whose sum is σ = 1224693998. Its totient is φ = 141046272.

The previous prime is 423140101. The next prime is 423140143. The reversal of 423140112 is 211041324.

It can be written as a sum of positive squares in only one way, i.e., 362673936 + 60466176 = 19044^2 + 7776^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 161953 + ... + 164544.

Almost surely, 2^423140112 is an apocalyptic number.

It is an amenable number.

423140112 is an abundant number, since it is smaller than the sum of its proper divisors (801553886).

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

423140112 is a wasteful number, since it uses less digits than its factorization.

423140112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326517 (or 326502 counting only the distinct ones).

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

The square root of 423140112 is about 20570.3697584657. The cubic root of 423140112 is about 750.7489478539.

Adding to 423140112 its reverse (211041324), we get a palindrome (634181436).

The spelling of 423140112 in words is "four hundred twenty-three million, one hundred forty thousand, one hundred twelve".