423252142 has 4 divisors (see below), whose sum is σ = 634878216. Its totient is φ = 211626070.

The previous prime is 423252127. The next prime is 423252161. The reversal of 423252142 is 241252324.

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

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, 105813034 + ... + 105813037.

It is an arithmetic number, because the mean of its divisors is an integer number (158719554).

Almost surely, 2^423252142 is an apocalyptic number.

423252142 is a deficient number, since it is larger than the sum of its proper divisors (211626074).

423252142 is a wasteful number, since it uses less digits than its factorization.

423252142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211626073.

The product of its digits is 3840, while the sum is 25.

The square root of 423252142 is about 20573.0926697957. The cubic root of 423252142 is about 750.8151977639.

The spelling of 423252142 in words is "four hundred twenty-three million, two hundred fifty-two thousand, one hundred forty-two".