423101223122 has 4 divisors (see below), whose sum is σ = 634651834686. Its totient is φ = 211550611560.

The previous prime is 423101223047. The next prime is 423101223157. The reversal of 423101223122 is 221322101324.

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., 418814771281 + 4286451841 = 647159^2 + 65471^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105775305779 + ... + 105775305782.

Almost surely, 2^423101223122 is an apocalyptic number.

423101223122 is a deficient number, since it is larger than the sum of its proper divisors (211550611564).

423101223122 is a wasteful number, since it uses less digits than its factorization.

423101223122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211550611563.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 423101223122 its reverse (221322101324), we get a palindrome (644423324446).

The spelling of 423101223122 in words is "four hundred twenty-three billion, one hundred one million, two hundred twenty-three thousand, one hundred twenty-two".