423142124 has 12 divisors (see below), whose sum is σ = 741047664. Its totient is φ = 211414224.

The previous prime is 423142117. The next prime is 423142127. The reversal of 423142124 is 421241324.

It is a self number, because there is not a number n which added to its sum of digits gives 423142124.

It is not an unprimeable number, because it can be changed into a prime (423142127) 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, 33032 + ... + 44015.

It is an arithmetic number, because the mean of its divisors is an integer number (61753972).

Almost surely, 2^423142124 is an apocalyptic number.

It is an amenable number.

423142124 is a deficient number, since it is larger than the sum of its proper divisors (317905540).

423142124 is a wasteful number, since it uses less digits than its factorization.

423142124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78424 (or 78422 counting only the distinct ones).

The product of its digits is 1536, while the sum is 23.

The square root of 423142124 is about 20570.4186637025. The cubic root of 423142124 is about 750.7501377706.

Adding to 423142124 its reverse (421241324), we get a palindrome (844383448).

The spelling of 423142124 in words is "four hundred twenty-three million, one hundred forty-two thousand, one hundred twenty-four".