423421212415 has 16 divisors (see below), whose sum is σ = 510960471840. Its totient is φ = 336833976960.

The previous prime is 423421212391. The next prime is 423421212433. The reversal of 423421212415 is 514212124324.

It is not a de Polignac number, because 423421212415 - 2⁹ = 423421211903 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16765177 + ... + 16790413.

It is an arithmetic number, because the mean of its divisors is an integer number (31935029490).

Almost surely, 2^423421212415 is an apocalyptic number.

423421212415 is a deficient number, since it is larger than the sum of its proper divisors (87539259425).

423421212415 is a wasteful number, since it uses less digits than its factorization.

423421212415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43962.

The product of its digits is 15360, while the sum is 31.

Adding to 423421212415 its reverse (514212124324), we get a palindrome (937633336739).

The spelling of 423421212415 in words is "four hundred twenty-three billion, four hundred twenty-one million, two hundred twelve thousand, four hundred fifteen".