423010142 has 4 divisors (see below), whose sum is σ = 634515216. Its totient is φ = 211505070.

The previous prime is 423010127. The next prime is 423010177. The reversal of 423010142 is 241010324.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 423010142.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105752534 + ... + 105752537.

It is an arithmetic number, because the mean of its divisors is an integer number (158628804).

Almost surely, 2^423010142 is an apocalyptic number.

423010142 is a deficient number, since it is larger than the sum of its proper divisors (211505074).

423010142 is a wasteful number, since it uses less digits than its factorization.

423010142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211505073.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 423010142 is about 20567.2103601825. The cubic root of 423010142 is about 750.6720743157.

Adding to 423010142 its reverse (241010324), we get a palindrome (664020466).

The spelling of 423010142 in words is "four hundred twenty-three million, ten thousand, one hundred forty-two".