423322230242 has 4 divisors (see below), whose sum is σ = 634983345366. Its totient is φ = 211661115120.

The previous prime is 423322230241. The next prime is 423322230263. The reversal of 423322230242 is 242032223324.

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., 356696812081 + 66625418161 = 597241^2 + 258119^2 .

It is not an unprimeable number, because it can be changed into a prime (423322230241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105830557559 + ... + 105830557562.

Almost surely, 2^423322230242 is an apocalyptic number.

423322230242 is a deficient number, since it is larger than the sum of its proper divisors (211661115124).

423322230242 is a wasteful number, since it uses less digits than its factorization.

423322230242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211661115123.

The product of its (nonzero) digits is 27648, while the sum is 29.

Adding to 423322230242 its reverse (242032223324), we get a palindrome (665354453566).

The spelling of 423322230242 in words is "four hundred twenty-three billion, three hundred twenty-two million, two hundred thirty thousand, two hundred forty-two".