423200242 has 4 divisors (see below), whose sum is σ = 634800366. Its totient is φ = 211600120.

The previous prime is 423200221. The next prime is 423200269. The reversal of 423200242 is 242002324.

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

It can be written as a sum of positive squares in only one way, i.e., 250304041 + 172896201 = 15821^2 + 13149^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105800059 + ... + 105800062.

Almost surely, 2^423200242 is an apocalyptic number.

423200242 is a deficient number, since it is larger than the sum of its proper divisors (211600124).

423200242 is a wasteful number, since it uses less digits than its factorization.

423200242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211600123.

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 423200242 is about 20571.8312748282. The cubic root of 423200242 is about 750.7845077034.

Adding to 423200242 its reverse (242002324), we get a palindrome (665202566).

It can be divided in two parts, 423200 and 242, that multiplied together give a square (102414400 = 10120²).

The spelling of 423200242 in words is "four hundred twenty-three million, two hundred thousand, two hundred forty-two".